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This is the 5.10.70 stable release

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Merge 5.10.70 into android12-5.10-lts

Changes in 5.10.70
	PCI: aardvark: Increase polling delay to 1.5s while waiting for PIO response
	ocfs2: drop acl cache for directories too
	mm: fix uninitialized use in overcommit_policy_handler
	usb: gadget: r8a66597: fix a loop in set_feature()
	usb: dwc2: gadget: Fix ISOC flow for BDMA and Slave
	usb: dwc2: gadget: Fix ISOC transfer complete handling for DDMA
	usb: musb: tusb6010: uninitialized data in tusb_fifo_write_unaligned()
	cifs: fix incorrect check for null pointer in header_assemble
	xen/x86: fix PV trap handling on secondary processors
	usb-storage: Add quirk for ScanLogic SL11R-IDE older than 2.6c
	USB: serial: cp210x: add ID for GW Instek GDM-834x Digital Multimeter
	USB: cdc-acm: fix minor-number release
	Revert "USB: bcma: Add a check for devm_gpiod_get"
	binder: make sure fd closes complete
	staging: greybus: uart: fix tty use after free
	Re-enable UAS for LaCie Rugged USB3-FW with fk quirk
	usb: dwc3: core: balance phy init and exit
	usb: core: hcd: Add support for deferring roothub registration
	USB: serial: mos7840: remove duplicated 0xac24 device ID
	USB: serial: option: add Telit LN920 compositions
	USB: serial: option: remove duplicate USB device ID
	USB: serial: option: add device id for Foxconn T99W265
	mcb: fix error handling in mcb_alloc_bus()
	erofs: fix up erofs_lookup tracepoint
	btrfs: prevent __btrfs_dump_space_info() to underflow its free space
	xhci: Set HCD flag to defer primary roothub registration
	serial: 8250: 8250_omap: Fix RX_LVL register offset
	serial: mvebu-uart: fix driver's tx_empty callback
	scsi: sd_zbc: Ensure buffer size is aligned to SECTOR_SIZE
	drm/amd/pm: Update intermediate power state for SI
	net: hso: fix muxed tty registration
	comedi: Fix memory leak in compat_insnlist()
	afs: Fix incorrect triggering of sillyrename on 3rd-party invalidation
	afs: Fix updating of i_blocks on file/dir extension
	platform/x86/intel: punit_ipc: Drop wrong use of ACPI_PTR()
	enetc: Fix illegal access when reading affinity_hint
	enetc: Fix uninitialized struct dim_sample field usage
	bnxt_en: Fix TX timeout when TX ring size is set to the smallest
	net: hns3: fix change RSS 'hfunc' ineffective issue
	net: hns3: check queue id range before using
	net/smc: add missing error check in smc_clc_prfx_set()
	net/smc: fix 'workqueue leaked lock' in smc_conn_abort_work
	net: dsa: don't allocate the slave_mii_bus using devres
	net: dsa: realtek: register the MDIO bus under devres
	kselftest/arm64: signal: Add SVE to the set of features we can check for
	kselftest/arm64: signal: Skip tests if required features are missing
	s390/qeth: fix NULL deref in qeth_clear_working_pool_list()
	gpio: uniphier: Fix void functions to remove return value
	qed: rdma - don't wait for resources under hw error recovery flow
	net/mlx4_en: Don't allow aRFS for encapsulated packets
	atlantic: Fix issue in the pm resume flow.
	scsi: iscsi: Adjust iface sysfs attr detection
	scsi: target: Fix the pgr/alua_support_store functions
	tty: synclink_gt, drop unneeded forward declarations
	tty: synclink_gt: rename a conflicting function name
	fpga: machxo2-spi: Return an error on failure
	fpga: machxo2-spi: Fix missing error code in machxo2_write_complete()
	nvme-tcp: fix incorrect h2cdata pdu offset accounting
	treewide: Change list_sort to use const pointers
	nvme: keep ctrl->namespaces ordered
	thermal/core: Potential buffer overflow in thermal_build_list_of_policies()
	cifs: fix a sign extension bug
	scsi: qla2xxx: Restore initiator in dual mode
	scsi: lpfc: Use correct scnprintf() limit
	irqchip/goldfish-pic: Select GENERIC_IRQ_CHIP to fix build
	irqchip/gic-v3-its: Fix potential VPE leak on error
	md: fix a lock order reversal in md_alloc
	x86/asm: Add a missing __iomem annotation in enqcmds()
	x86/asm: Fix SETZ size enqcmds() build failure
	io_uring: put provided buffer meta data under memcg accounting
	blktrace: Fix uaf in blk_trace access after removing by sysfs
	net: phylink: Update SFP selected interface on advertising changes
	net: macb: fix use after free on rmmod
	net: stmmac: allow CSR clock of 300MHz
	blk-mq: avoid to iterate over stale request
	m68k: Double cast io functions to unsigned long
	ipv6: delay fib6_sernum increase in fib6_add
	cpufreq: intel_pstate: Override parameters if HWP forced by BIOS
	bpf: Add oversize check before call kvcalloc()
	xen/balloon: use a kernel thread instead a workqueue
	nvme-multipath: fix ANA state updates when a namespace is not present
	nvme-rdma: destroy cm id before destroy qp to avoid use after free
	sparc32: page align size in arch_dma_alloc
	amd/display: downgrade validation failure log level
	block: check if a profile is actually registered in blk_integrity_unregister
	block: flush the integrity workqueue in blk_integrity_unregister
	blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd
	compiler.h: Introduce absolute_pointer macro
	net: i825xx: Use absolute_pointer for memcpy from fixed memory location
	sparc: avoid stringop-overread errors
	qnx4: avoid stringop-overread errors
	parisc: Use absolute_pointer() to define PAGE0
	arm64: Mark __stack_chk_guard as __ro_after_init
	alpha: Declare virt_to_phys and virt_to_bus parameter as pointer to volatile
	net: 6pack: Fix tx timeout and slot time
	spi: Fix tegra20 build with CONFIG_PM=n
	EDAC/synopsys: Fix wrong value type assignment for edac_mode
	EDAC/dmc520: Assign the proper type to dimm->edac_mode
	thermal/drivers/int340x: Do not set a wrong tcc offset on resume
	USB: serial: cp210x: fix dropped characters with CP2102
	xen/balloon: fix balloon kthread freezing
	qnx4: work around gcc false positive warning bug
	Linux 5.10.70

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0be3ab08ab5dd724a79c5c5ff8e49c18d2666193
This commit is contained in:
Greg Kroah-Hartman 2021-10-01 11:20:43 +02:00
commit d69751309b
140 changed files with 862 additions and 593 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Makefile
View file

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
SUBLEVEL = 69
SUBLEVEL = 70
EXTRAVERSION =
NAME = Dare mighty things

6
arch/alpha/include/asm/io.h
View file

@ -60,7 +60,7 @@ extern inline void set_hae(unsigned long new_hae)
* Change virtual addresses to physical addresses and vv.
*/
#ifdef USE_48_BIT_KSEG
static inline unsigned long virt_to_phys(void *address)
static inline unsigned long virt_to_phys(volatile void *address)
{
return (unsigned long)address - IDENT_ADDR;
}
@ -70,7 +70,7 @@ static inline void * phys_to_virt(unsigned long address)
return (void *) (address + IDENT_ADDR);
}
#else
static inline unsigned long virt_to_phys(void *address)
static inline unsigned long virt_to_phys(volatile void *address)
{
unsigned long phys = (unsigned long)address;
@ -106,7 +106,7 @@ static inline void * phys_to_virt(unsigned long address)
extern unsigned long __direct_map_base;
extern unsigned long __direct_map_size;
static inline unsigned long __deprecated virt_to_bus(void *address)
static inline unsigned long __deprecated virt_to_bus(volatile void *address)
{
unsigned long phys = virt_to_phys(address);
unsigned long bus = phys + __direct_map_base;

2
arch/arm64/kernel/process.c
View file

@ -62,7 +62,7 @@
#if defined(CONFIG_STACKPROTECTOR) && !defined(CONFIG_STACKPROTECTOR_PER_TASK)
#include <linux/stackprotector.h>
unsigned long __stack_chk_guard __read_mostly;
unsigned long __stack_chk_guard __ro_after_init;
EXPORT_SYMBOL(__stack_chk_guard);
#endif

8
arch/arm64/kvm/vgic/vgic-its.c
View file

@ -2190,8 +2190,8 @@ static int vgic_its_restore_ite(struct vgic_its *its, u32 event_id,
return offset;
}
static int vgic_its_ite_cmp(void *priv, struct list_head *a,
struct list_head *b)
static int vgic_its_ite_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct its_ite *itea = container_of(a, struct its_ite, ite_list);
struct its_ite *iteb = container_of(b, struct its_ite, ite_list);
@ -2329,8 +2329,8 @@ static int vgic_its_restore_dte(struct vgic_its *its, u32 id,
return offset;
}
static int vgic_its_device_cmp(void *priv, struct list_head *a,
struct list_head *b)
static int vgic_its_device_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct its_device *deva = container_of(a, struct its_device, dev_list);
struct its_device *devb = container_of(b, struct its_device, dev_list);

3
arch/arm64/kvm/vgic/vgic.c
View file

@ -255,7 +255,8 @@ static struct kvm_vcpu *vgic_target_oracle(struct vgic_irq *irq)
* Return negative if "a" sorts before "b", 0 to preserve order, and positive
* to sort "b" before "a".
*/
static int vgic_irq_cmp(void *priv, struct list_head *a, struct list_head *b)
static int vgic_irq_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct vgic_irq *irqa = container_of(a, struct vgic_irq, ap_list);
struct vgic_irq *irqb = container_of(b, struct vgic_irq, ap_list);

20
arch/m68k/include/asm/raw_io.h
View file

@ -17,21 +17,21 @@
* two accesses to memory, which may be undesirable for some devices.
*/
#define in_8(addr) \
({ u8 __v = (*(__force volatile u8 *) (addr)); __v; })
({ u8 __v = (*(__force volatile u8 *) (unsigned long)(addr)); __v; })
#define in_be16(addr) \
({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
({ u16 __v = (*(__force volatile u16 *) (unsigned long)(addr)); __v; })
#define in_be32(addr) \
({ u32 __v = (*(__force volatile u32 *) (addr)); __v; })
({ u32 __v = (*(__force volatile u32 *) (unsigned long)(addr)); __v; })
#define in_le16(addr) \
({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; })
({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (unsigned long)(addr)); __v; })
#define in_le32(addr) \
({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; })
({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (unsigned long)(addr)); __v; })
#define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b))
#define out_be16(addr,w) (void)((*(__force volatile u16 *) (addr)) = (w))
#define out_be32(addr,l) (void)((*(__force volatile u32 *) (addr)) = (l))
#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w))
#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l))
#define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b))
#define out_be16(addr,w) (void)((*(__force volatile u16 *) (unsigned long)(addr)) = (w))
#define out_be32(addr,l) (void)((*(__force volatile u32 *) (unsigned long)(addr)) = (l))
#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (unsigned long)(addr)) = cpu_to_le16(w))
#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (unsigned long)(addr)) = cpu_to_le32(l))
#define raw_inb in_8
#define raw_inw in_be16

2
arch/parisc/include/asm/page.h
View file

@ -184,7 +184,7 @@ extern int npmem_ranges;
#include <asm-generic/getorder.h>
#include <asm/pdc.h>
#define PAGE0 ((struct zeropage *)__PAGE_OFFSET)
#define PAGE0 ((struct zeropage *)absolute_pointer(__PAGE_OFFSET))
/* DEFINITION OF THE ZERO-PAGE (PAG0) */
/* based on work by Jason Eckhardt (jason@equator.com) */

4
arch/sparc/kernel/ioport.c
View file

@ -356,7 +356,9 @@ err_nomem:
void arch_dma_free(struct device *dev, size_t size, void *cpu_addr,
dma_addr_t dma_addr, unsigned long attrs)
{
if (!sparc_dma_free_resource(cpu_addr, PAGE_ALIGN(size)))
size = PAGE_ALIGN(size);
if (!sparc_dma_free_resource(cpu_addr, size))
return;
dma_make_coherent(dma_addr, size);

3
arch/sparc/kernel/mdesc.c
View file

@ -39,6 +39,7 @@ struct mdesc_hdr {
u32 node_sz; /* node block size */
u32 name_sz; /* name block size */
u32 data_sz; /* data block size */
char data[];
} __attribute__((aligned(16)));
struct mdesc_elem {
@ -612,7 +613,7 @@ EXPORT_SYMBOL(mdesc_get_node_info);
static struct mdesc_elem *node_block(struct mdesc_hdr *mdesc)
{
return (struct mdesc_elem *) (mdesc + 1);
return (struct mdesc_elem *) mdesc->data;
}
static void *name_block(struct mdesc_hdr *mdesc)

4
arch/x86/include/asm/special_insns.h
View file

@ -286,8 +286,8 @@ static inline void movdir64b(void *dst, const void *src)
static inline int enqcmds(void __iomem *dst, const void *src)
{
const struct { char _[64]; } *__src = src;
struct { char _[64]; } *__dst = dst;
int zf;
struct { char _[64]; } __iomem *__dst = dst;
bool zf;
/*
* ENQCMDS %(rdx), rax

15
arch/x86/xen/enlighten_pv.c
View file

@ -736,8 +736,8 @@ static void xen_write_idt_entry(gate_desc *dt, int entrynum, const gate_desc *g)
preempt_enable();
}
static void xen_convert_trap_info(const struct desc_ptr *desc,
struct trap_info *traps)
static unsigned xen_convert_trap_info(const struct desc_ptr *desc,
struct trap_info *traps, bool full)
{
unsigned in, out, count;
@ -747,17 +747,18 @@ static void xen_convert_trap_info(const struct desc_ptr *desc,
for (in = out = 0; in < count; in++) {
gate_desc *entry = (gate_desc *)(desc->address) + in;
if (cvt_gate_to_trap(in, entry, &traps[out]))
if (cvt_gate_to_trap(in, entry, &traps[out]) || full)
out++;
}
traps[out].address = 0;
return out;
}
void xen_copy_trap_info(struct trap_info *traps)
{
const struct desc_ptr *desc = this_cpu_ptr(&idt_desc);
xen_convert_trap_info(desc, traps);
xen_convert_trap_info(desc, traps, true);
}
/* Load a new IDT into Xen. In principle this can be per-CPU, so we
@ -767,6 +768,7 @@ static void xen_load_idt(const struct desc_ptr *desc)
{
static DEFINE_SPINLOCK(lock);
static struct trap_info traps[257];
unsigned out;
trace_xen_cpu_load_idt(desc);
@ -774,7 +776,8 @@ static void xen_load_idt(const struct desc_ptr *desc)
memcpy(this_cpu_ptr(&idt_desc), desc, sizeof(idt_desc));
xen_convert_trap_info(desc, traps);
out = xen_convert_trap_info(desc, traps, false);
memset(&traps[out], 0, sizeof(traps[0]));
xen_mc_flush();
if (HYPERVISOR_set_trap_table(traps))

8
block/blk-cgroup.c
View file

@ -1391,10 +1391,14 @@ enomem:
/* alloc failed, nothing's initialized yet, free everything */
spin_lock_irq(&q->queue_lock);
list_for_each_entry(blkg, &q->blkg_list, q_node) {
struct blkcg *blkcg = blkg->blkcg;
spin_lock(&blkcg->lock);
if (blkg->pd[pol->plid]) {
pol->pd_free_fn(blkg->pd[pol->plid]);
blkg->pd[pol->plid] = NULL;
}
spin_unlock(&blkcg->lock);
}
spin_unlock_irq(&q->queue_lock);
ret = -ENOMEM;
@ -1426,12 +1430,16 @@ void blkcg_deactivate_policy(struct request_queue *q,
__clear_bit(pol->plid, q->blkcg_pols);
list_for_each_entry(blkg, &q->blkg_list, q_node) {
struct blkcg *blkcg = blkg->blkcg;
spin_lock(&blkcg->lock);
if (blkg->pd[pol->plid]) {
if (pol->pd_offline_fn)
pol->pd_offline_fn(blkg->pd[pol->plid]);
pol->pd_free_fn(blkg->pd[pol->plid]);
blkg->pd[pol->plid] = NULL;
}
spin_unlock(&blkcg->lock);
}
spin_unlock_irq(&q->queue_lock);

9
block/blk-integrity.c
View file

@ -426,8 +426,15 @@ EXPORT_SYMBOL(blk_integrity_register);
*/
void blk_integrity_unregister(struct gendisk *disk)
{
struct blk_integrity *bi = &disk->queue->integrity;
if (!bi->profile)
return;
/* ensure all bios are off the integrity workqueue */
blk_flush_integrity();
blk_queue_flag_clear(QUEUE_FLAG_STABLE_WRITES, disk->queue);
memset(&disk->queue->integrity, 0, sizeof(struct blk_integrity));
memset(bi, 0, sizeof(*bi));
}
EXPORT_SYMBOL(blk_integrity_unregister);

3
block/blk-mq-sched.c
View file

@ -75,7 +75,8 @@ void blk_mq_sched_restart(struct blk_mq_hw_ctx *hctx)
blk_mq_run_hw_queue(hctx, true);
}
static int sched_rq_cmp(void *priv, struct list_head *a, struct list_head *b)
static int sched_rq_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct request *rqa = container_of(a, struct request, queuelist);
struct request *rqb = container_of(b, struct request, queuelist);

2
block/blk-mq-tag.c
View file

@ -207,7 +207,7 @@ static struct request *blk_mq_find_and_get_req(struct blk_mq_tags *tags,
spin_lock_irqsave(&tags->lock, flags);
rq = tags->rqs[bitnr];
if (!rq || !refcount_inc_not_zero(&rq->ref))
if (!rq || rq->tag != bitnr || !refcount_inc_not_zero(&rq->ref))
rq = NULL;
spin_unlock_irqrestore(&tags->lock, flags);
return rq;

3
block/blk-mq.c
View file

@ -1924,7 +1924,8 @@ void blk_mq_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx,
spin_unlock(&ctx->lock);
}
static int plug_rq_cmp(void *priv, struct list_head *a, struct list_head *b)
static int plug_rq_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct request *rqa = container_of(a, struct request, queuelist);
struct request *rqb = container_of(b, struct request, queuelist);

3
drivers/acpi/nfit/core.c
View file

@ -1194,7 +1194,8 @@ static int __nfit_mem_init(struct acpi_nfit_desc *acpi_desc,
return 0;
}
static int nfit_mem_cmp(void *priv, struct list_head *_a, struct list_head *_b)
static int nfit_mem_cmp(void *priv, const struct list_head *_a,
const struct list_head *_b)
{
struct nfit_mem *a = container_of(_a, typeof(*a), list);
struct nfit_mem *b = container_of(_b, typeof(*b), list);

3
drivers/acpi/numa/hmat.c
View file

@ -558,7 +558,8 @@ static bool hmat_update_best(u8 type, u32 value, u32 *best)
return updated;
}
static int initiator_cmp(void *priv, struct list_head *a, struct list_head *b)
static int initiator_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct memory_initiator *ia;
struct memory_initiator *ib;

23
drivers/android/binder.c
View file

@ -1977,6 +1977,7 @@ static void binder_deferred_fd_close(int fd)
}
static void binder_transaction_buffer_release(struct binder_proc *proc,
struct binder_thread *thread,
struct binder_buffer *buffer,
binder_size_t failed_at,
bool is_failure)
@ -2136,8 +2137,16 @@ static void binder_transaction_buffer_release(struct binder_proc *proc,
&proc->alloc, &fd, buffer,
offset, sizeof(fd));
WARN_ON(err);
if (!err)
if (!err) {
binder_deferred_fd_close(fd);
/*
* Need to make sure the thread goes
* back to userspace to complete the
* deferred close
*/
if (thread)
thread->looper_need_return = true;
}
}
} break;
default:
@ -3256,7 +3265,7 @@ err_bad_parent:
err_copy_data_failed:
binder_free_txn_fixups(t);
trace_binder_transaction_failed_buffer_release(t->buffer);
binder_transaction_buffer_release(target_proc, t->buffer,
binder_transaction_buffer_release(target_proc, NULL, t->buffer,
buffer_offset, true);
if (target_node)
binder_dec_node_tmpref(target_node);
@ -3335,7 +3344,9 @@ err_invalid_target_handle:
* Cleanup buffer and free it.
*/
static void
binder_free_buf(struct binder_proc *proc, struct binder_buffer *buffer)
binder_free_buf(struct binder_proc *proc,
struct binder_thread *thread,
struct binder_buffer *buffer)
{
binder_inner_proc_lock(proc);
if (buffer->transaction) {
@ -3363,7 +3374,7 @@ binder_free_buf(struct binder_proc *proc, struct binder_buffer *buffer)
binder_node_inner_unlock(buf_node);
}
trace_binder_transaction_buffer_release(buffer);
binder_transaction_buffer_release(proc, buffer, 0, false);
binder_transaction_buffer_release(proc, thread, buffer, 0, false);
binder_alloc_free_buf(&proc->alloc, buffer);
}
@ -3557,7 +3568,7 @@ static int binder_thread_write(struct binder_proc *proc,
proc->pid, thread->pid, (u64)data_ptr,
buffer->debug_id,
buffer->transaction ? "active" : "finished");
binder_free_buf(proc, buffer);
binder_free_buf(proc, thread, buffer);
break;
}
@ -4251,7 +4262,7 @@ retry:
buffer->transaction = NULL;
binder_cleanup_transaction(t, "fd fixups failed",
BR_FAILED_REPLY);
binder_free_buf(proc, buffer);
binder_free_buf(proc, thread, buffer);
binder_debug(BINDER_DEBUG_FAILED_TRANSACTION,
"%d:%d %stransaction %d fd fixups failed %d/%d, line %d\n",
proc->pid, thread->pid,

4
drivers/clk/keystone/sci-clk.c
View file

@ -503,8 +503,8 @@ static int ti_sci_scan_clocks_from_fw(struct sci_clk_provider *provider)
#else
static int _cmp_sci_clk_list(void *priv, struct list_head *a,
struct list_head *b)
static int _cmp_sci_clk_list(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct sci_clk *ca = container_of(a, struct sci_clk, node);
struct sci_clk *cb = container_of(b, struct sci_clk, node);

22
drivers/cpufreq/intel_pstate.c
View file

@ -3035,11 +3035,15 @@ static int __init intel_pstate_init(void)
if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
return -ENODEV;
if (no_load)
return -ENODEV;
id = x86_match_cpu(hwp_support_ids);
if (id) {
bool hwp_forced = intel_pstate_hwp_is_enabled();
if (hwp_forced)
pr_info("HWP enabled by BIOS\n");
else if (no_load)
return -ENODEV;
copy_cpu_funcs(&core_funcs);
/*
* Avoid enabling HWP for processors without EPP support,
@ -3049,8 +3053,7 @@ static int __init intel_pstate_init(void)
* If HWP is enabled already, though, there is no choice but to
* deal with it.
*/
if ((!no_hwp && boot_cpu_has(X86_FEATURE_HWP_EPP)) ||
intel_pstate_hwp_is_enabled()) {
if ((!no_hwp && boot_cpu_has(X86_FEATURE_HWP_EPP)) || hwp_forced) {
hwp_active++;
hwp_mode_bdw = id->driver_data;
intel_pstate.attr = hwp_cpufreq_attrs;
@ -3061,7 +3064,11 @@ static int __init intel_pstate_init(void)
goto hwp_cpu_matched;
}
pr_info("HWP not enabled\n");
} else {
if (no_load)
return -ENODEV;
id = x86_match_cpu(intel_pstate_cpu_ids);
if (!id) {
pr_info("CPU model not supported\n");
@ -3138,10 +3145,9 @@ static int __init intel_pstate_setup(char *str)
else if (!strcmp(str, "passive"))
default_driver = &intel_cpufreq;
if (!strcmp(str, "no_hwp")) {
pr_info("HWP disabled\n");
if (!strcmp(str, "no_hwp"))
no_hwp = 1;
}
if (!strcmp(str, "force"))
force_load = 1;
if (!strcmp(str, "hwp_only"))

2
drivers/edac/dmc520_edac.c
View file

@ -464,7 +464,7 @@ static void dmc520_init_csrow(struct mem_ctl_info *mci)
dimm->grain = pvt->mem_width_in_bytes;
dimm->dtype = dt;
dimm->mtype = mt;
dimm->edac_mode = EDAC_FLAG_SECDED;
dimm->edac_mode = EDAC_SECDED;
dimm->nr_pages = pages_per_rank / csi->nr_channels;
}
}

2
drivers/edac/synopsys_edac.c
View file

@ -782,7 +782,7 @@ static void init_csrows(struct mem_ctl_info *mci)
for (j = 0; j < csi->nr_channels; j++) {
dimm = csi->channels[j]->dimm;
dimm->edac_mode = EDAC_FLAG_SECDED;
dimm->edac_mode = EDAC_SECDED;
dimm->mtype = p_data->get_mtype(priv->baseaddr);
dimm->nr_pages = (size >> PAGE_SHIFT) / csi->nr_channels;
dimm->grain = SYNPS_EDAC_ERR_GRAIN;

6
drivers/fpga/machxo2-spi.c
View file

@ -225,8 +225,10 @@ static int machxo2_write_init(struct fpga_manager *mgr,
goto fail;
get_status(spi, &status);
if (test_bit(FAIL, &status))
if (test_bit(FAIL, &status)) {
ret = -EINVAL;
goto fail;
}
dump_status_reg(&status);
spi_message_init(&msg);
@ -313,6 +315,7 @@ static int machxo2_write_complete(struct fpga_manager *mgr,
dump_status_reg(&status);
if (!test_bit(DONE, &status)) {
machxo2_cleanup(mgr);
ret = -EINVAL;
goto fail;
}
@ -335,6 +338,7 @@ static int machxo2_write_complete(struct fpga_manager *mgr,
break;
if (++refreshloop == MACHXO2_MAX_REFRESH_LOOP) {
machxo2_cleanup(mgr);
ret = -EINVAL;
goto fail;
}
} while (1);

4
drivers/gpio/gpio-uniphier.c
View file

@ -184,7 +184,7 @@ static void uniphier_gpio_irq_mask(struct irq_data *data)
uniphier_gpio_reg_update(priv, UNIPHIER_GPIO_IRQ_EN, mask, 0);
return irq_chip_mask_parent(data);
irq_chip_mask_parent(data);
}
static void uniphier_gpio_irq_unmask(struct irq_data *data)
@ -194,7 +194,7 @@ static void uniphier_gpio_irq_unmask(struct irq_data *data)
uniphier_gpio_reg_update(priv, UNIPHIER_GPIO_IRQ_EN, mask, mask);
return irq_chip_unmask_parent(data);
irq_chip_unmask_parent(data);
}
static int uniphier_gpio_irq_set_type(struct irq_data *data, unsigned int type)

3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View file

@ -8962,7 +8962,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
goto fail;
status = dc_validate_global_state(dc, dm_state->context, false);
if (status != DC_OK) {
DC_LOG_WARNING("DC global validation failure: %s (%d)",
drm_dbg_atomic(dev,
"DC global validation failure: %s (%d)",
dc_status_to_str(status), status);
ret = -EINVAL;
goto fail;

2
drivers/gpu/drm/amd/pm/powerplay/si_dpm.c
View file

@ -6870,6 +6870,8 @@ static int si_dpm_enable(struct amdgpu_device *adev)
si_enable_auto_throttle_source(adev, AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
si_thermal_start_thermal_controller(adev);
ni_update_current_ps(adev, boot_ps);
return 0;
}

3
drivers/gpu/drm/drm_modes.c
View file

@ -1290,7 +1290,8 @@ EXPORT_SYMBOL(drm_mode_prune_invalid);
* Negative if @lh_a is better than @lh_b, zero if they're equivalent, or
* positive if @lh_b is better than @lh_a.
*/
static int drm_mode_compare(void *priv, struct list_head *lh_a, struct list_head *lh_b)
static int drm_mode_compare(void *priv, const struct list_head *lh_a,
const struct list_head *lh_b)
{
struct drm_display_mode *a = list_entry(lh_a, struct drm_display_mode, head);
struct drm_display_mode *b = list_entry(lh_b, struct drm_display_mode, head);

3
drivers/gpu/drm/i915/gt/intel_engine_user.c
View file

@ -49,7 +49,8 @@ static const u8 uabi_classes[] = {
[VIDEO_ENHANCEMENT_CLASS] = I915_ENGINE_CLASS_VIDEO_ENHANCE,
};
static int engine_cmp(void *priv, struct list_head *A, struct list_head *B)
static int engine_cmp(void *priv, const struct list_head *A,
const struct list_head *B)
{
const struct intel_engine_cs *a =
container_of((struct rb_node *)A, typeof(*a), uabi_node);

2
drivers/gpu/drm/i915/gvt/debugfs.c
View file

@ -41,7 +41,7 @@ struct diff_mmio {
/* Compare two diff_mmio items. */
static int mmio_offset_compare(void *priv,
struct list_head *a, struct list_head *b)
const struct list_head *a, const struct list_head *b)
{
struct diff_mmio *ma;
struct diff_mmio *mb;

3
drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
View file

@ -1075,7 +1075,8 @@ static int igt_ppgtt_shrink_boom(void *arg)
return exercise_ppgtt(arg, shrink_boom);
}
static int sort_holes(void *priv, struct list_head *A, struct list_head *B)
static int sort_holes(void *priv, const struct list_head *A,
const struct list_head *B)
{
struct drm_mm_node *a = list_entry(A, typeof(*a), hole_stack);
struct drm_mm_node *b = list_entry(B, typeof(*b), hole_stack);

4
drivers/gpu/drm/radeon/radeon_cs.c
View file

@ -394,8 +394,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
return 0;
}
static int cmp_size_smaller_first(void *priv, struct list_head *a,
struct list_head *b)
static int cmp_size_smaller_first(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct radeon_bo_list *la = list_entry(a, struct radeon_bo_list, tv.head);
struct radeon_bo_list *lb = list_entry(b, struct radeon_bo_list, tv.head);

3
drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.c
View file

@ -83,7 +83,8 @@ usnic_uiom_interval_node_alloc(long int start, long int last, int ref_cnt,
return interval;
}
static int interval_cmp(void *priv, struct list_head *a, struct list_head *b)
static int interval_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct usnic_uiom_interval_node *node_a, *node_b;

2
drivers/interconnect/qcom/bcm-voter.c
View file

@ -39,7 +39,7 @@ struct bcm_voter {
u32 tcs_wait;
};
static int cmp_vcd(void *priv, struct list_head *a, struct list_head *b)
static int cmp_vcd(void *priv, const struct list_head *a, const struct list_head *b)
{
const struct qcom_icc_bcm *bcm_a =
list_entry(a, struct qcom_icc_bcm, list);

1
drivers/irqchip/Kconfig
View file

@ -426,6 +426,7 @@ config MESON_IRQ_GPIO
config GOLDFISH_PIC
bool "Goldfish programmable interrupt controller"
depends on MIPS && (GOLDFISH || COMPILE_TEST)
select GENERIC_IRQ_CHIP
select IRQ_DOMAIN
help
Say yes here to enable Goldfish interrupt controller driver used

2
drivers/irqchip/irq-gic-v3-its.c
View file

@ -4493,7 +4493,7 @@ static int its_vpe_irq_domain_alloc(struct irq_domain *domain, unsigned int virq
if (err) {
if (i > 0)
its_vpe_irq_domain_free(domain, virq, i - 1);
its_vpe_irq_domain_free(domain, virq, i);
its_lpi_free(bitmap, base, nr_ids);
its_free_prop_table(vprop_page);

12
drivers/mcb/mcb-core.c
View file

@ -277,8 +277,8 @@ struct mcb_bus *mcb_alloc_bus(struct device *carrier)
bus_nr = ida_simple_get(&mcb_ida, 0, 0, GFP_KERNEL);
if (bus_nr < 0) {
rc = bus_nr;
goto err_free;
kfree(bus);
return ERR_PTR(bus_nr);
}
bus->bus_nr = bus_nr;
@ -293,12 +293,12 @@ struct mcb_bus *mcb_alloc_bus(struct device *carrier)
dev_set_name(&bus->dev, "mcb:%d", bus_nr);
rc = device_add(&bus->dev);
if (rc)
goto err_free;
goto err_put;
return bus;
err_free:
put_device(carrier);
kfree(bus);
err_put:
put_device(&bus->dev);
return ERR_PTR(rc);
}
EXPORT_SYMBOL_NS_GPL(mcb_alloc_bus, MCB);

5
drivers/md/md.c
View file

@ -5759,10 +5759,6 @@ static int md_alloc(dev_t dev, char *name)
disk->flags |= GENHD_FL_EXT_DEVT;
disk->events |= DISK_EVENT_MEDIA_CHANGE;
mddev->gendisk = disk;
/* As soon as we call add_disk(), another thread could get
* through to md_open, so make sure it doesn't get too far
*/
mutex_lock(&mddev->open_mutex);
add_disk(disk);
error = kobject_add(&mddev->kobj, &disk_to_dev(disk)->kobj, "%s", "md");
@ -5777,7 +5773,6 @@ static int md_alloc(dev_t dev, char *name)
if (mddev->kobj.sd &&
sysfs_create_group(&mddev->kobj, &md_bitmap_group))
pr_debug("pointless warning\n");
mutex_unlock(&mddev->open_mutex);
abort:
mutex_unlock(&disks_mutex);
if (!error && mddev->kobj.sd) {

3
drivers/md/raid5.c
View file

@ -953,7 +953,8 @@ static void dispatch_bio_list(struct bio_list *tmp)
submit_bio_noacct(bio);
}
static int cmp_stripe(void *priv, struct list_head *a, struct list_head *b)
static int cmp_stripe(void *priv, const struct list_head *a,
const struct list_head *b)
{
const struct r5pending_data *da = list_entry(a,
struct r5pending_data, sibling);

4
drivers/misc/sram.c
View file

@ -144,8 +144,8 @@ static void sram_free_partitions(struct sram_dev *sram)
}
}
static int sram_reserve_cmp(void *priv, struct list_head *a,
struct list_head *b)
static int sram_reserve_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct sram_reserve *ra = list_entry(a, struct sram_reserve, list);
struct sram_reserve *rb = list_entry(b, struct sram_reserve, list);

2
drivers/net/dsa/realtek-smi-core.c
View file

@ -368,7 +368,7 @@ int realtek_smi_setup_mdio(struct realtek_smi *smi)
smi->slave_mii_bus->parent = smi->dev;
smi->ds->slave_mii_bus = smi->slave_mii_bus;
ret = of_mdiobus_register(smi->slave_mii_bus, mdio_np);
ret = devm_of_mdiobus_register(smi->dev, smi->slave_mii_bus, mdio_np);
if (ret) {
dev_err(smi->dev, "unable to register MDIO bus %s\n",
smi->slave_mii_bus->id);

8
drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
View file

@ -419,13 +419,13 @@ static int atl_resume_common(struct device *dev, bool deep)
if (deep) {
/* Reinitialize Nic/Vecs objects */
aq_nic_deinit(nic, !nic->aq_hw->aq_nic_cfg->wol);
ret = aq_nic_init(nic);
if (ret)
goto err_exit;
}
if (netif_running(nic->ndev)) {
ret = aq_nic_init(nic);
if (ret)
goto err_exit;
ret = aq_nic_start(nic);
if (ret)
goto err_exit;

8
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View file

@ -381,7 +381,7 @@ static bool bnxt_txr_netif_try_stop_queue(struct bnxt *bp,
* netif_tx_queue_stopped().
*/
smp_mb();
if (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh) {
if (bnxt_tx_avail(bp, txr) >= bp->tx_wake_thresh) {
netif_tx_wake_queue(txq);
return false;
}
@ -717,7 +717,7 @@ next_tx_int:
smp_mb();
if (unlikely(netif_tx_queue_stopped(txq)) &&
bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh &&
bnxt_tx_avail(bp, txr) >= bp->tx_wake_thresh &&
READ_ONCE(txr->dev_state) != BNXT_DEV_STATE_CLOSING)
netif_tx_wake_queue(txq);
}
@ -2300,7 +2300,7 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) {
tx_pkts++;
/* return full budget so NAPI will complete. */
if (unlikely(tx_pkts > bp->tx_wake_thresh)) {
if (unlikely(tx_pkts >= bp->tx_wake_thresh)) {
rx_pkts = budget;
raw_cons = NEXT_RAW_CMP(raw_cons);
if (budget)
@ -3431,7 +3431,7 @@ static int bnxt_init_tx_rings(struct bnxt *bp)
u16 i;
bp->tx_wake_thresh = max_t(int, bp->tx_ring_size / 2,
MAX_SKB_FRAGS + 1);
BNXT_MIN_TX_DESC_CNT);
for (i = 0; i < bp->tx_nr_rings; i++) {
struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];

5
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View file

@ -611,6 +611,11 @@ struct nqe_cn {
#define BNXT_MAX_RX_JUM_DESC_CNT (RX_DESC_CNT * MAX_RX_AGG_PAGES - 1)
#define BNXT_MAX_TX_DESC_CNT (TX_DESC_CNT * MAX_TX_PAGES - 1)
/* Minimum TX BDs for a TX packet with MAX_SKB_FRAGS + 1. We need one extra
* BD because the first TX BD is always a long BD.
*/
#define BNXT_MIN_TX_DESC_CNT (MAX_SKB_FRAGS + 2)
#define RX_RING(x) (((x) & ~(RX_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4))
#define RX_IDX(x) ((x) & (RX_DESC_CNT - 1))

2
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
View file

@ -780,7 +780,7 @@ static int bnxt_set_ringparam(struct net_device *dev,
if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
(ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
(ering->tx_pending <= MAX_SKB_FRAGS))
(ering->tx_pending < BNXT_MIN_TX_DESC_CNT))
return -EINVAL;
if (netif_running(dev))

2
drivers/net/ethernet/cadence/macb_pci.c
View file

@ -111,9 +111,9 @@ static void macb_remove(struct pci_dev *pdev)
struct platform_device *plat_dev = pci_get_drvdata(pdev);
struct macb_platform_data *plat_data = dev_get_platdata(&plat_dev->dev);
platform_device_unregister(plat_dev);
clk_unregister(plat_data->pclk);
clk_unregister(plat_data->hclk);
platform_device_unregister(plat_dev);
}
static const struct pci_device_id dev_id_table[] = {

7
drivers/net/ethernet/freescale/enetc/enetc.c
View file

@ -299,7 +299,7 @@ static void enetc_rx_dim_work(struct work_struct *w)
static void enetc_rx_net_dim(struct enetc_int_vector *v)
{
struct dim_sample dim_sample;
struct dim_sample dim_sample = {};
v->comp_cnt++;
@ -1320,7 +1320,6 @@ static void enetc_clear_bdrs(struct enetc_ndev_priv *priv)
static int enetc_setup_irqs(struct enetc_ndev_priv *priv)
{
struct pci_dev *pdev = priv->si->pdev;
cpumask_t cpu_mask;
int i, j, err;
for (i = 0; i < priv->bdr_int_num; i++) {
@ -1349,9 +1348,7 @@ static int enetc_setup_irqs(struct enetc_ndev_priv *priv)
enetc_wr(hw, ENETC_SIMSITRV(idx), entry);
}
cpumask_clear(&cpu_mask);
cpumask_set_cpu(i % num_online_cpus(), &cpu_mask);
irq_set_affinity_hint(irq, &cpu_mask);
irq_set_affinity_hint(irq, get_cpu_mask(i % num_online_cpus()));
}
return 0;

45
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
View file

@ -4377,6 +4377,24 @@ static int hclge_get_rss(struct hnae3_handle *handle, u32 *indir,
return 0;
}
static int hclge_parse_rss_hfunc(struct hclge_vport *vport, const u8 hfunc,
u8 *hash_algo)
{
switch (hfunc) {
case ETH_RSS_HASH_TOP:
*hash_algo = HCLGE_RSS_HASH_ALGO_TOEPLITZ;
return 0;
case ETH_RSS_HASH_XOR:
*hash_algo = HCLGE_RSS_HASH_ALGO_SIMPLE;
return 0;
case ETH_RSS_HASH_NO_CHANGE:
*hash_algo = vport->rss_algo;
return 0;
default:
return -EINVAL;
}
}
static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir,
const u8 *key, const u8 hfunc)
{
@ -4385,30 +4403,27 @@ static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir,
u8 hash_algo;
int ret, i;
ret = hclge_parse_rss_hfunc(vport, hfunc, &hash_algo);
if (ret) {
dev_err(&hdev->pdev->dev, "invalid hfunc type %u\n", hfunc);
return ret;
}
/* Set the RSS Hash Key if specififed by the user */
if (key) {
switch (hfunc) {
case ETH_RSS_HASH_TOP:
hash_algo = HCLGE_RSS_HASH_ALGO_TOEPLITZ;
break;
case ETH_RSS_HASH_XOR:
hash_algo = HCLGE_RSS_HASH_ALGO_SIMPLE;
break;
case ETH_RSS_HASH_NO_CHANGE:
hash_algo = vport->rss_algo;
break;
default:
return -EINVAL;
}
ret = hclge_set_rss_algo_key(hdev, hash_algo, key);
if (ret)
return ret;
/* Update the shadow RSS key with user specified qids */
memcpy(vport->rss_hash_key, key, HCLGE_RSS_KEY_SIZE);
vport->rss_algo = hash_algo;
} else {
ret = hclge_set_rss_algo_key(hdev, hash_algo,
vport->rss_hash_key);
if (ret)
return ret;
}
vport->rss_algo = hash_algo;
/* Update the shadow RSS table with user specified qids */
for (i = 0; i < HCLGE_RSS_IND_TBL_SIZE; i++)

8
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
View file

@ -581,9 +581,17 @@ static void hclge_get_queue_id_in_pf(struct hclge_vport *vport,
struct hclge_mbx_vf_to_pf_cmd *mbx_req,
struct hclge_respond_to_vf_msg *resp_msg)
{
struct hnae3_handle *handle = &vport->nic;
struct hclge_dev *hdev = vport->back;
u16 queue_id, qid_in_pf;
memcpy(&queue_id, mbx_req->msg.data, sizeof(queue_id));
if (queue_id >= handle->kinfo.num_tqps) {
dev_err(&hdev->pdev->dev, "Invalid queue id(%u) from VF %u\n",
queue_id, mbx_req->mbx_src_vfid);
return;
}
qid_in_pf = hclge_covert_handle_qid_global(&vport->nic, queue_id);
memcpy(resp_msg->data, &qid_in_pf, sizeof(qid_in_pf));
resp_msg->len = sizeof(qid_in_pf);

52
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
View file

@ -785,40 +785,56 @@ static int hclgevf_get_rss(struct hnae3_handle *handle, u32 *indir, u8 *key,
return 0;
}
static int hclgevf_parse_rss_hfunc(struct hclgevf_dev *hdev, const u8 hfunc,
u8 *hash_algo)
{
switch (hfunc) {
case ETH_RSS_HASH_TOP:
*hash_algo = HCLGEVF_RSS_HASH_ALGO_TOEPLITZ;
return 0;
case ETH_RSS_HASH_XOR:
*hash_algo = HCLGEVF_RSS_HASH_ALGO_SIMPLE;
return 0;
case ETH_RSS_HASH_NO_CHANGE:
*hash_algo = hdev->rss_cfg.hash_algo;
return 0;
default:
return -EINVAL;
}
}
static int hclgevf_set_rss(struct hnae3_handle *handle, const u32 *indir,
const u8 *key, const u8 hfunc)
{
struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
u8 hash_algo;
int ret, i;
if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) {
ret = hclgevf_parse_rss_hfunc(hdev, hfunc, &hash_algo);
if (ret)
return ret;
/* Set the RSS Hash Key if specififed by the user */
if (key) {
switch (hfunc) {
case ETH_RSS_HASH_TOP:
rss_cfg->hash_algo =
HCLGEVF_RSS_HASH_ALGO_TOEPLITZ;
break;
case ETH_RSS_HASH_XOR:
rss_cfg->hash_algo =
HCLGEVF_RSS_HASH_ALGO_SIMPLE;
break;
case ETH_RSS_HASH_NO_CHANGE:
break;
default:
return -EINVAL;
}
ret = hclgevf_set_rss_algo_key(hdev, rss_cfg->hash_algo,
key);
if (ret)
ret = hclgevf_set_rss_algo_key(hdev, hash_algo, key);
if (ret) {
dev_err(&hdev->pdev->dev,
"invalid hfunc type %u\n", hfunc);
return ret;
}
/* Update the shadow RSS key with user specified qids */
memcpy(rss_cfg->rss_hash_key, key,
HCLGEVF_RSS_KEY_SIZE);
} else {
ret = hclgevf_set_rss_algo_key(hdev, hash_algo,
rss_cfg->rss_hash_key);
if (ret)
return ret;
}
rss_cfg->hash_algo = hash_algo;
}
/* update the shadow RSS table with user specified qids */

2
drivers/net/ethernet/i825xx/82596.c
View file

@ -1155,7 +1155,7 @@ struct net_device * __init i82596_probe(int unit)
err = -ENODEV;
goto out;
}
memcpy(eth_addr, (void *) 0xfffc1f2c, ETH_ALEN); /* YUCK! Get addr from NOVRAM */
memcpy(eth_addr, absolute_pointer(0xfffc1f2c), ETH_ALEN); /* YUCK! Get addr from NOVRAM */
dev->base_addr = MVME_I596_BASE;
dev->irq = (unsigned) MVME16x_IRQ_I596;
goto found;

3
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
View file

@ -372,6 +372,9 @@ mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb,
int nhoff = skb_network_offset(skb);
int ret = 0;
if (skb->encapsulation)
return -EPROTONOSUPPORT;
if (skb->protocol != htons(ETH_P_IP))
return -EPROTONOSUPPORT;

8
drivers/net/ethernet/qlogic/qed/qed_iwarp.c
View file

@ -1297,6 +1297,14 @@ qed_iwarp_wait_cid_map_cleared(struct qed_hwfn *p_hwfn, struct qed_bmap *bmap)
prev_weight = weight;
while (weight) {
/* If the HW device is during recovery, all resources are
* immediately reset without receiving a per-cid indication
* from HW. In this case we don't expect the cid_map to be
* cleared.
*/
if (p_hwfn->cdev->recov_in_prog)
return 0;
msleep(QED_IWARP_MAX_CID_CLEAN_TIME);
weight = bitmap_weight(bmap->bitmap, bmap->max_count);

8
drivers/net/ethernet/qlogic/qed/qed_roce.c
View file

@ -77,6 +77,14 @@ void qed_roce_stop(struct qed_hwfn *p_hwfn)
* Beyond the added delay we clear the bitmap anyway.
*/
while (bitmap_weight(rcid_map->bitmap, rcid_map->max_count)) {
/* If the HW device is during recovery, all resources are
* immediately reset without receiving a per-cid indication
* from HW. In this case we don't expect the cid bitmap to be
* cleared.
*/
if (p_hwfn->cdev->recov_in_prog)
return;
msleep(100);
if (wait_count++ > 20) {
DP_NOTICE(p_hwfn, "cid bitmap wait timed out\n");

2
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View file

@ -226,7 +226,7 @@ static void stmmac_clk_csr_set(struct stmmac_priv *priv)
priv->clk_csr = STMMAC_CSR_100_150M;
else if ((clk_rate >= CSR_F_150M) && (clk_rate < CSR_F_250M))
priv->clk_csr = STMMAC_CSR_150_250M;
else if ((clk_rate >= CSR_F_250M) && (clk_rate < CSR_F_300M))
else if ((clk_rate >= CSR_F_250M) && (clk_rate <= CSR_F_300M))
priv->clk_csr = STMMAC_CSR_250_300M;
}

4
drivers/net/hamradio/6pack.c
View file

@ -68,9 +68,9 @@
#define SIXP_DAMA_OFF 0
/* default level 2 parameters */
#define SIXP_TXDELAY (HZ/4) /* in 1 s */
#define SIXP_TXDELAY 25 /* 250 ms */
#define SIXP_PERSIST 50 /* in 256ths */
#define SIXP_SLOTTIME (HZ/10) /* in 1 s */
#define SIXP_SLOTTIME 10 /* 100 ms */
#define SIXP_INIT_RESYNC_TIMEOUT (3*HZ/2) /* in 1 s */
#define SIXP_RESYNC_TIMEOUT 5*HZ /* in 1 s */

30
drivers/net/phy/phylink.c
View file

@ -1493,6 +1493,32 @@ int phylink_ethtool_ksettings_set(struct phylink *pl,
if (config.an_enabled && phylink_is_empty_linkmode(config.advertising))
return -EINVAL;
/* If this link is with an SFP, ensure that changes to advertised modes
* also cause the associated interface to be selected such that the
* link can be configured correctly.
*/
if (pl->sfp_port && pl->sfp_bus) {
config.interface = sfp_select_interface(pl->sfp_bus,
config.advertising);
if (config.interface == PHY_INTERFACE_MODE_NA) {
phylink_err(pl,
"selection of interface failed, advertisement %*pb\n",
__ETHTOOL_LINK_MODE_MASK_NBITS,
config.advertising);
return -EINVAL;
}
/* Revalidate with the selected interface */
linkmode_copy(support, pl->supported);
if (phylink_validate(pl, support, &config)) {
phylink_err(pl, "validation of %s/%s with support %*pb failed\n",
phylink_an_mode_str(pl->cur_link_an_mode),
phy_modes(config.interface),
__ETHTOOL_LINK_MODE_MASK_NBITS, support);
return -EINVAL;
}
}
mutex_lock(&pl->state_mutex);
pl->link_config.speed = config.speed;
pl->link_config.duplex = config.duplex;
@ -2072,7 +2098,9 @@ static int phylink_sfp_config(struct phylink *pl, u8 mode,
if (phy_interface_mode_is_8023z(iface) && pl->phydev)
return -EINVAL;
changed = !linkmode_equal(pl->supported, support);
changed = !linkmode_equal(pl->supported, support) ||
!linkmode_equal(pl->link_config.advertising,
config.advertising);
if (changed) {
linkmode_copy(pl->supported, support);
linkmode_copy(pl->link_config.advertising, config.advertising);

12
drivers/net/usb/hso.c
View file

@ -2721,14 +2721,14 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface,
serial = kzalloc(sizeof(*serial), GFP_KERNEL);
if (!serial)
goto exit;
goto err_free_dev;
hso_dev->port_data.dev_serial = serial;
serial->parent = hso_dev;
if (hso_serial_common_create
(serial, 1, CTRL_URB_RX_SIZE, CTRL_URB_TX_SIZE))
goto exit;
goto err_free_serial;
serial->tx_data_length--;
serial->write_data = hso_mux_serial_write_data;
@ -2744,11 +2744,9 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface,
/* done, return it */
return hso_dev;
exit:
if (serial) {
tty_unregister_device(tty_drv, serial->minor);
kfree(serial);
}
err_free_serial:
kfree(serial);
err_free_dev:
kfree(hso_dev);
return NULL;

32
drivers/nvme/host/core.c
View file

@ -13,7 +13,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/backing-dev.h>
#include <linux/list_sort.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/pr.h>
@ -3801,14 +3800,6 @@ out_unlock:
return ret;
}
static int ns_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct nvme_ns *nsa = container_of(a, struct nvme_ns, list);
struct nvme_ns *nsb = container_of(b, struct nvme_ns, list);
return nsa->head->ns_id - nsb->head->ns_id;
}
struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)
{
struct nvme_ns *ns, *ret = NULL;
@ -3829,6 +3820,22 @@ struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)
}
EXPORT_SYMBOL_NS_GPL(nvme_find_get_ns, NVME_TARGET_PASSTHRU);
/*
* Add the namespace to the controller list while keeping the list ordered.
*/
static void nvme_ns_add_to_ctrl_list(struct nvme_ns *ns)
{
struct nvme_ns *tmp;
list_for_each_entry_reverse(tmp, &ns->ctrl->namespaces, list) {
if (tmp->head->ns_id < ns->head->ns_id) {
list_add(&ns->list, &tmp->list);
return;
}
}
list_add(&ns->list, &ns->ctrl->namespaces);
}
static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid,
struct nvme_ns_ids *ids)
{
@ -3888,9 +3895,8 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid,
}
down_write(&ctrl->namespaces_rwsem);
list_add_tail(&ns->list, &ctrl->namespaces);
nvme_ns_add_to_ctrl_list(ns);
up_write(&ctrl->namespaces_rwsem);
nvme_get_ctrl(ctrl);
device_add_disk(ctrl->device, ns->disk, nvme_ns_id_attr_groups);
@ -4159,10 +4165,6 @@ static void nvme_scan_work(struct work_struct *work)
if (nvme_scan_ns_list(ctrl) != 0)
nvme_scan_ns_sequential(ctrl);
mutex_unlock(&ctrl->scan_lock);
down_write(&ctrl->namespaces_rwsem);
list_sort(NULL, &ctrl->namespaces, ns_cmp);
up_write(&ctrl->namespaces_rwsem);
}
/*

7
drivers/nvme/host/multipath.c
View file

@ -509,14 +509,17 @@ static int nvme_update_ana_state(struct nvme_ctrl *ctrl,
down_read(&ctrl->namespaces_rwsem);
list_for_each_entry(ns, &ctrl->namespaces, list) {
unsigned nsid = le32_to_cpu(desc->nsids[n]);
unsigned nsid;
again:
nsid = le32_to_cpu(desc->nsids[n]);
if (ns->head->ns_id < nsid)
continue;
if (ns->head->ns_id == nsid)
nvme_update_ns_ana_state(desc, ns);
if (++n == nr_nsids)
break;
if (ns->head->ns_id > nsid)
goto again;
}
up_read(&ctrl->namespaces_rwsem);
return 0;

16
drivers/nvme/host/rdma.c
View file

@ -655,8 +655,8 @@ static void nvme_rdma_free_queue(struct nvme_rdma_queue *queue)
if (!test_and_clear_bit(NVME_RDMA_Q_ALLOCATED, &queue->flags))
return;
nvme_rdma_destroy_queue_ib(queue);
rdma_destroy_id(queue->cm_id);
nvme_rdma_destroy_queue_ib(queue);
mutex_destroy(&queue->queue_lock);
}
@ -1823,14 +1823,10 @@ static int nvme_rdma_conn_established(struct nvme_rdma_queue *queue)
for (i = 0; i < queue->queue_size; i++) {
ret = nvme_rdma_post_recv(queue, &queue->rsp_ring[i]);
if (ret)
goto out_destroy_queue_ib;
return ret;
}
return 0;
out_destroy_queue_ib:
nvme_rdma_destroy_queue_ib(queue);
return ret;
}
static int nvme_rdma_conn_rejected(struct nvme_rdma_queue *queue,
@ -1924,14 +1920,10 @@ static int nvme_rdma_route_resolved(struct nvme_rdma_queue *queue)
if (ret) {
dev_err(ctrl->ctrl.device,
"rdma_connect_locked failed (%d).\n", ret);
goto out_destroy_queue_ib;
return ret;
}
return 0;
out_destroy_queue_ib:
nvme_rdma_destroy_queue_ib(queue);
return ret;
}
static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id,
@ -1962,8 +1954,6 @@ static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id,
case RDMA_CM_EVENT_ROUTE_ERROR:
case RDMA_CM_EVENT_CONNECT_ERROR:
case RDMA_CM_EVENT_UNREACHABLE:
nvme_rdma_destroy_queue_ib(queue);
fallthrough;
case RDMA_CM_EVENT_ADDR_ERROR:
dev_dbg(queue->ctrl->ctrl.device,
"CM error event %d\n", ev->event);

13
drivers/nvme/host/tcp.c
View file

@ -611,7 +611,7 @@ static int nvme_tcp_setup_h2c_data_pdu(struct nvme_tcp_request *req,
cpu_to_le32(data->hdr.hlen + hdgst + req->pdu_len + ddgst);
data->ttag = pdu->ttag;
data->command_id = nvme_cid(rq);
data->data_offset = cpu_to_le32(req->data_sent);
data->data_offset = pdu->r2t_offset;
data->data_length = cpu_to_le32(req->pdu_len);
return 0;
}
@ -937,7 +937,15 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req)
nvme_tcp_ddgst_update(queue->snd_hash, page,
offset, ret);
/* fully successful last write*/
/*
* update the request iterator except for the last payload send
* in the request where we don't want to modify it as we may
* compete with the RX path completing the request.
*/
if (req->data_sent + ret < req->data_len)
nvme_tcp_advance_req(req, ret);
/* fully successful last send in current PDU */
if (last && ret == len) {
if (queue->data_digest) {
nvme_tcp_ddgst_final(queue->snd_hash,
@ -949,7 +957,6 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req)
}
return 1;
}
nvme_tcp_advance_req(req, ret);
}
return -EAGAIN;
}

3
drivers/pci/controller/cadence/pcie-cadence-host.c
View file

@ -345,7 +345,8 @@ static int cdns_pcie_host_bar_config(struct cdns_pcie_rc *rc,
return 0;
}
static int cdns_pcie_host_dma_ranges_cmp(void *priv, struct list_head *a, struct list_head *b)
static int cdns_pcie_host_dma_ranges_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct resource_entry *entry1, *entry2;

2
drivers/pci/controller/pci-aardvark.c
View file

@ -214,7 +214,7 @@
(PCIE_CONF_BUS(bus) | PCIE_CONF_DEV(PCI_SLOT(devfn)) | \
PCIE_CONF_FUNC(PCI_FUNC(devfn)) | PCIE_CONF_REG(where))
#define PIO_RETRY_CNT 500
#define PIO_RETRY_CNT 750000 /* 1.5 s */
#define PIO_RETRY_DELAY 2 /* 2 us*/
#define LINK_WAIT_MAX_RETRIES 10

3
drivers/platform/x86/intel_punit_ipc.c
View file

@ -8,7 +8,6 @@
* which provide mailbox interface for power management usage.
*/
#include <linux/acpi.h>
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/device.h>
@ -319,7 +318,7 @@ static struct platform_driver intel_punit_ipc_driver = {
.remove = intel_punit_ipc_remove,
.driver = {
.name = "intel_punit_ipc",
.acpi_match_table = ACPI_PTR(punit_ipc_acpi_ids),
.acpi_match_table = punit_ipc_acpi_ids,
},
};

3
drivers/s390/net/qeth_core_main.c
View file

@ -210,6 +210,9 @@ static void qeth_clear_working_pool_list(struct qeth_card *card)
&card->qdio.in_buf_pool.entry_list, list)
list_del(&pool_entry->list);
if (!queue)
return;
for (i = 0; i < ARRAY_SIZE(queue->bufs); i++)
queue->bufs[i].pool_entry = NULL;
}

3
drivers/scsi/lpfc/lpfc_attr.c
View file

@ -6005,7 +6005,8 @@ lpfc_sg_seg_cnt_show(struct device *dev, struct device_attribute *attr,
len = scnprintf(buf, PAGE_SIZE, "SGL sz: %d total SGEs: %d\n",
phba->cfg_sg_dma_buf_size, phba->cfg_total_seg_cnt);
len += scnprintf(buf + len, PAGE_SIZE, "Cfg: %d SCSI: %d NVME: %d\n",
len += scnprintf(buf + len, PAGE_SIZE - len,
"Cfg: %d SCSI: %d NVME: %d\n",
phba->cfg_sg_seg_cnt, phba->cfg_scsi_seg_cnt,
phba->cfg_nvme_seg_cnt);
return len;

3
drivers/scsi/qla2xxx/qla_init.c
View file

@ -6934,7 +6934,8 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
return 0;
break;
case QLA2XXX_INI_MODE_DUAL:
if (!qla_dual_mode_enabled(vha))
if (!qla_dual_mode_enabled(vha) &&
!qla_ini_mode_enabled(vha))
return 0;
break;
case QLA2XXX_INI_MODE_ENABLED:

8
drivers/scsi/scsi_transport_iscsi.c
View file

@ -442,9 +442,7 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
struct iscsi_transport *t = iface->transport;
int param = -1;
if (attr == &dev_attr_iface_enabled.attr)
param = ISCSI_NET_PARAM_IFACE_ENABLE;
else if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr)
if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr)
param = ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO;
else if (attr == &dev_attr_iface_header_digest.attr)
param = ISCSI_IFACE_PARAM_HDRDGST_EN;
@ -484,7 +482,9 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
if (param != -1)
return t->attr_is_visible(ISCSI_IFACE_PARAM, param);
if (attr == &dev_attr_iface_vlan_id.attr)
if (attr == &dev_attr_iface_enabled.attr)
param = ISCSI_NET_PARAM_IFACE_ENABLE;
else if (attr == &dev_attr_iface_vlan_id.attr)
param = ISCSI_NET_PARAM_VLAN_ID;
else if (attr == &dev_attr_iface_vlan_priority.attr)
param = ISCSI_NET_PARAM_VLAN_PRIORITY;

6
drivers/scsi/sd_zbc.c
View file

@ -155,8 +155,8 @@ static void *sd_zbc_alloc_report_buffer(struct scsi_disk *sdkp,
/*
* Report zone buffer size should be at most 64B times the number of
* zones requested plus the 64B reply header, but should be at least
* SECTOR_SIZE for ATA devices.
* zones requested plus the 64B reply header, but should be aligned
* to SECTOR_SIZE for ATA devices.
* Make sure that this size does not exceed the hardware capabilities.
* Furthermore, since the report zone command cannot be split, make
* sure that the allocated buffer can always be mapped by limiting the
@ -175,7 +175,7 @@ static void *sd_zbc_alloc_report_buffer(struct scsi_disk *sdkp,
*buflen = bufsize;
return buf;
}
bufsize >>= 1;
bufsize = rounddown(bufsize >> 1, SECTOR_SIZE);
}
return NULL;

3
drivers/spi/spi-loopback-test.c
View file

@ -454,7 +454,8 @@ struct rx_ranges {
u8 *end;
};
static int rx_ranges_cmp(void *priv, struct list_head *a, struct list_head *b)
static int rx_ranges_cmp(void *priv, const struct list_head *a,
const struct list_head *b)
{
struct rx_ranges *rx_a = list_entry(a, struct rx_ranges, list);
struct rx_ranges *rx_b = list_entry(b, struct rx_ranges, list);

4
drivers/spi/spi-tegra20-slink.c
View file

@ -1201,7 +1201,7 @@ static int tegra_slink_resume(struct device *dev)
}
#endif
static int tegra_slink_runtime_suspend(struct device *dev)
static int __maybe_unused tegra_slink_runtime_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct tegra_slink_data *tspi = spi_master_get_devdata(master);
@ -1213,7 +1213,7 @@ static int tegra_slink_runtime_suspend(struct device *dev)
return 0;
}
static int tegra_slink_runtime_resume(struct device *dev)
static int __maybe_unused tegra_slink_runtime_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct tegra_slink_data *tspi = spi_master_get_devdata(master);

1
drivers/staging/comedi/comedi_fops.c
View file

@ -3090,6 +3090,7 @@ static int compat_insnlist(struct file *file, unsigned long arg)
mutex_lock(&dev->mutex);
rc = do_insnlist_ioctl(dev, insns, insnlist32.n_insns, file);
mutex_unlock(&dev->mutex);
kfree(insns);
return rc;
}

62
drivers/staging/greybus/uart.c
View file

@ -778,6 +778,17 @@ out:
gbphy_runtime_put_autosuspend(gb_tty->gbphy_dev);
}
static void gb_tty_port_destruct(struct tty_port *port)
{
struct gb_tty *gb_tty = container_of(port, struct gb_tty, port);
if (gb_tty->minor != GB_NUM_MINORS)
release_minor(gb_tty);
kfifo_free(&gb_tty->write_fifo);
kfree(gb_tty->buffer);
kfree(gb_tty);
}
static const struct tty_operations gb_ops = {
.install = gb_tty_install,
.open = gb_tty_open,
@ -803,6 +814,7 @@ static const struct tty_port_operations gb_port_ops = {
.dtr_rts = gb_tty_dtr_rts,
.activate = gb_tty_port_activate,
.shutdown = gb_tty_port_shutdown,
.destruct = gb_tty_port_destruct,
};
static int gb_uart_probe(struct gbphy_device *gbphy_dev,
@ -815,17 +827,11 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
int retval;
int minor;
gb_tty = kzalloc(sizeof(*gb_tty), GFP_KERNEL);
if (!gb_tty)
return -ENOMEM;
connection = gb_connection_create(gbphy_dev->bundle,
le16_to_cpu(gbphy_dev->cport_desc->id),
gb_uart_request_handler);
if (IS_ERR(connection)) {
retval = PTR_ERR(connection);
goto exit_tty_free;
}
if (IS_ERR(connection))
return PTR_ERR(connection);
max_payload = gb_operation_get_payload_size_max(connection);
if (max_payload < sizeof(struct gb_uart_send_data_request)) {
@ -833,13 +839,23 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
goto exit_connection_destroy;
}
gb_tty = kzalloc(sizeof(*gb_tty), GFP_KERNEL);
if (!gb_tty) {
retval = -ENOMEM;
goto exit_connection_destroy;
}
tty_port_init(&gb_tty->port);
gb_tty->port.ops = &gb_port_ops;
gb_tty->minor = GB_NUM_MINORS;
gb_tty->buffer_payload_max = max_payload -
sizeof(struct gb_uart_send_data_request);
gb_tty->buffer = kzalloc(gb_tty->buffer_payload_max, GFP_KERNEL);
if (!gb_tty->buffer) {
retval = -ENOMEM;
goto exit_connection_destroy;
goto exit_put_port;
}
INIT_WORK(&gb_tty->tx_work, gb_uart_tx_write_work);
@ -847,7 +863,7 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
retval = kfifo_alloc(&gb_tty->write_fifo, GB_UART_WRITE_FIFO_SIZE,
GFP_KERNEL);
if (retval)
goto exit_buf_free;
goto exit_put_port;
gb_tty->credits = GB_UART_FIRMWARE_CREDITS;
init_completion(&gb_tty->credits_complete);
@ -861,7 +877,7 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
} else {
retval = minor;
}
goto exit_kfifo_free;
goto exit_put_port;
}
gb_tty->minor = minor;
@ -870,9 +886,6 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
init_waitqueue_head(&gb_tty->wioctl);
mutex_init(&gb_tty->mutex);
tty_port_init(&gb_tty->port);
gb_tty->port.ops = &gb_port_ops;
gb_tty->connection = connection;
gb_tty->gbphy_dev = gbphy_dev;
gb_connection_set_data(connection, gb_tty);
@ -880,7 +893,7 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
retval = gb_connection_enable_tx(connection);
if (retval)
goto exit_release_minor;
goto exit_put_port;
send_control(gb_tty, gb_tty->ctrlout);
@ -907,16 +920,10 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
exit_connection_disable:
gb_connection_disable(connection);
exit_release_minor:
release_minor(gb_tty);
exit_kfifo_free:
kfifo_free(&gb_tty->write_fifo);
exit_buf_free:
kfree(gb_tty->buffer);
exit_put_port:
tty_port_put(&gb_tty->port);
exit_connection_destroy:
gb_connection_destroy(connection);
exit_tty_free:
kfree(gb_tty);
return retval;
}
@ -947,15 +954,10 @@ static void gb_uart_remove(struct gbphy_device *gbphy_dev)
gb_connection_disable_rx(connection);
tty_unregister_device(gb_tty_driver, gb_tty->minor);
/* FIXME - free transmit / receive buffers */
gb_connection_disable(connection);
tty_port_destroy(&gb_tty->port);
gb_connection_destroy(connection);
release_minor(gb_tty);
kfifo_free(&gb_tty->write_fifo);
kfree(gb_tty->buffer);
kfree(gb_tty);
tty_port_put(&gb_tty->port);
}
static int gb_tty_init(void)

32
drivers/target/target_core_configfs.c
View file

@ -1110,20 +1110,24 @@ static ssize_t alua_support_store(struct config_item *item,
{
struct se_dev_attrib *da = to_attrib(item);
struct se_device *dev = da->da_dev;
bool flag;
bool flag, oldflag;
int ret;
ret = strtobool(page, &flag);
if (ret < 0)
return ret;
oldflag = !(dev->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA);
if (flag == oldflag)
return count;
if (!(dev->transport->transport_flags_changeable &
TRANSPORT_FLAG_PASSTHROUGH_ALUA)) {
pr_err("dev[%p]: Unable to change SE Device alua_support:"
" alua_support has fixed value\n", dev);
return -EINVAL;
return -ENOSYS;
}
ret = strtobool(page, &flag);
if (ret < 0)
return ret;
if (flag)
dev->transport_flags &= ~TRANSPORT_FLAG_PASSTHROUGH_ALUA;
else
@ -1145,20 +1149,24 @@ static ssize_t pgr_support_store(struct config_item *item,
{
struct se_dev_attrib *da = to_attrib(item);
struct se_device *dev = da->da_dev;
bool flag;
bool flag, oldflag;
int ret;
ret = strtobool(page, &flag);
if (ret < 0)
return ret;
oldflag = !(dev->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_PGR);
if (flag == oldflag)
return count;
if (!(dev->transport->transport_flags_changeable &
TRANSPORT_FLAG_PASSTHROUGH_PGR)) {
pr_err("dev[%p]: Unable to change SE Device pgr_support:"
" pgr_support has fixed value\n", dev);
return -EINVAL;
return -ENOSYS;
}
ret = strtobool(page, &flag);
if (ret < 0)
return ret;
if (flag)
dev->transport_flags &= ~TRANSPORT_FLAG_PASSTHROUGH_PGR;
else

5
drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
View file

@ -185,7 +185,7 @@ static int tcc_offset_update(unsigned int tcc)
return 0;
}
static unsigned int tcc_offset_save;
static int tcc_offset_save = -1;
static ssize_t tcc_offset_degree_celsius_store(struct device *dev,
struct device_attribute *attr, const char *buf,
@ -709,7 +709,8 @@ static int proc_thermal_resume(struct device *dev)
proc_dev = dev_get_drvdata(dev);
proc_thermal_read_ppcc(proc_dev);
tcc_offset_update(tcc_offset_save);
if (tcc_offset_save >= 0)
tcc_offset_update(tcc_offset_save);
return 0;
}

7
drivers/thermal/thermal_core.c
View file

@ -226,15 +226,14 @@ int thermal_build_list_of_policies(char *buf)
{
struct thermal_governor *pos;
ssize_t count = 0;
ssize_t size = PAGE_SIZE;
mutex_lock(&thermal_governor_lock);
list_for_each_entry(pos, &thermal_governor_list, governor_list) {
size = PAGE_SIZE - count;
count += scnprintf(buf + count, size, "%s ", pos->name);
count += scnprintf(buf + count, PAGE_SIZE - count, "%s ",
pos->name);
}
count += scnprintf(buf + count, size, "\n");
count += scnprintf(buf + count, PAGE_SIZE - count, "\n");
mutex_unlock(&thermal_governor_lock);

2
drivers/tty/serial/8250/8250_omap.c
View file

@ -106,7 +106,7 @@
#define UART_OMAP_EFR2_TIMEOUT_BEHAVE BIT(6)
/* RX FIFO occupancy indicator */
#define UART_OMAP_RX_LVL 0x64
#define UART_OMAP_RX_LVL 0x19
struct omap8250_priv {
int line;

2
drivers/tty/serial/mvebu-uart.c
View file

@ -164,7 +164,7 @@ static unsigned int mvebu_uart_tx_empty(struct uart_port *port)
st = readl(port->membase + UART_STAT);
spin_unlock_irqrestore(&port->lock, flags);
return (st & STAT_TX_FIFO_EMP) ? TIOCSER_TEMT : 0;
return (st & STAT_TX_EMP) ? TIOCSER_TEMT : 0;
}
static unsigned int mvebu_uart_get_mctrl(struct uart_port *port)

101
drivers/tty/synclink_gt.c
View file

@ -137,37 +137,14 @@ MODULE_PARM_DESC(maxframe, "Maximum frame size used by device (4096 to 65535)");
*/
static struct tty_driver *serial_driver;
static int open(struct tty_struct *tty, struct file * filp);
static void close(struct tty_struct *tty, struct file * filp);
static void hangup(struct tty_struct *tty);
static void set_termios(struct tty_struct *tty, struct ktermios *old_termios);
static int write(struct tty_struct *tty, const unsigned char *buf, int count);
static int put_char(struct tty_struct *tty, unsigned char ch);
static void send_xchar(struct tty_struct *tty, char ch);
static void wait_until_sent(struct tty_struct *tty, int timeout);
static int write_room(struct tty_struct *tty);
static void flush_chars(struct tty_struct *tty);
static void flush_buffer(struct tty_struct *tty);
static void tx_hold(struct tty_struct *tty);
static void tx_release(struct tty_struct *tty);
static int ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg);
static int chars_in_buffer(struct tty_struct *tty);
static void throttle(struct tty_struct * tty);
static void unthrottle(struct tty_struct * tty);
static int set_break(struct tty_struct *tty, int break_state);
/*
* generic HDLC support and callbacks
* generic HDLC support
*/
#if SYNCLINK_GENERIC_HDLC
#define dev_to_port(D) (dev_to_hdlc(D)->priv)
static void hdlcdev_tx_done(struct slgt_info *info);
static void hdlcdev_rx(struct slgt_info *info, char *buf, int size);
static int hdlcdev_init(struct slgt_info *info);
static void hdlcdev_exit(struct slgt_info *info);
#endif
/*
@ -186,9 +163,6 @@ struct cond_wait {
wait_queue_entry_t wait;
unsigned int data;
};
static void init_cond_wait(struct cond_wait *w, unsigned int data);
static void add_cond_wait(struct cond_wait **head, struct cond_wait *w);
static void remove_cond_wait(struct cond_wait **head, struct cond_wait *w);
static void flush_cond_wait(struct cond_wait **head);
/*
@ -443,12 +417,8 @@ static void shutdown(struct slgt_info *info);
static void program_hw(struct slgt_info *info);
static void change_params(struct slgt_info *info);
static int register_test(struct slgt_info *info);
static int irq_test(struct slgt_info *info);
static int loopback_test(struct slgt_info *info);
static int adapter_test(struct slgt_info *info);
static void reset_adapter(struct slgt_info *info);
static void reset_port(struct slgt_info *info);
static void async_mode(struct slgt_info *info);
static void sync_mode(struct slgt_info *info);
@ -457,41 +427,23 @@ static void rx_stop(struct slgt_info *info);
static void rx_start(struct slgt_info *info);
static void reset_rbufs(struct slgt_info *info);
static void free_rbufs(struct slgt_info *info, unsigned int first, unsigned int last);
static void rdma_reset(struct slgt_info *info);
static bool rx_get_frame(struct slgt_info *info);
static bool rx_get_buf(struct slgt_info *info);
static void tx_start(struct slgt_info *info);
static void tx_stop(struct slgt_info *info);
static void tx_set_idle(struct slgt_info *info);
static unsigned int free_tbuf_count(struct slgt_info *info);
static unsigned int tbuf_bytes(struct slgt_info *info);
static void reset_tbufs(struct slgt_info *info);
static void tdma_reset(struct slgt_info *info);
static bool tx_load(struct slgt_info *info, const char *buf, unsigned int count);
static void get_signals(struct slgt_info *info);
static void set_signals(struct slgt_info *info);
static void enable_loopback(struct slgt_info *info);
static void get_gtsignals(struct slgt_info *info);
static void set_gtsignals(struct slgt_info *info);
static void set_rate(struct slgt_info *info, u32 data_rate);
static int bh_action(struct slgt_info *info);
static void bh_handler(struct work_struct *work);
static void bh_transmit(struct slgt_info *info);
static void isr_serial(struct slgt_info *info);
static void isr_rdma(struct slgt_info *info);
static void isr_txeom(struct slgt_info *info, unsigned short status);
static void isr_tdma(struct slgt_info *info);
static int alloc_dma_bufs(struct slgt_info *info);
static void free_dma_bufs(struct slgt_info *info);
static int alloc_desc(struct slgt_info *info);
static void free_desc(struct slgt_info *info);
static int alloc_bufs(struct slgt_info *info, struct slgt_desc *bufs, int count);
static void free_bufs(struct slgt_info *info, struct slgt_desc *bufs, int count);
static int alloc_tmp_rbuf(struct slgt_info *info);
static void free_tmp_rbuf(struct slgt_info *info);
static void tx_timeout(struct timer_list *t);
static void rx_timeout(struct timer_list *t);
@ -509,10 +461,6 @@ static int tx_abort(struct slgt_info *info);
static int rx_enable(struct slgt_info *info, int enable);
static int modem_input_wait(struct slgt_info *info,int arg);
static int wait_mgsl_event(struct slgt_info *info, int __user *mask_ptr);
static int tiocmget(struct tty_struct *tty);
static int tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear);
static int set_break(struct tty_struct *tty, int break_state);
static int get_interface(struct slgt_info *info, int __user *if_mode);
static int set_interface(struct slgt_info *info, int if_mode);
static int set_gpio(struct slgt_info *info, struct gpio_desc __user *gpio);
@ -526,9 +474,6 @@ static int set_xctrl(struct slgt_info *info, int if_mode);
/*
* driver functions
*/
static void add_device(struct slgt_info *info);
static void device_init(int adapter_num, struct pci_dev *pdev);
static int claim_resources(struct slgt_info *info);
static void release_resources(struct slgt_info *info);
/*
@ -776,7 +721,7 @@ static void set_termios(struct tty_struct *tty, struct ktermios *old_termios)
if ((old_termios->c_cflag & CBAUD) && !C_BAUD(tty)) {
info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
spin_lock_irqsave(&info->lock,flags);
set_signals(info);
set_gtsignals(info);
spin_unlock_irqrestore(&info->lock,flags);
}
@ -786,7 +731,7 @@ static void set_termios(struct tty_struct *tty, struct ktermios *old_termios)
if (!C_CRTSCTS(tty) || !tty_throttled(tty))
info->signals |= SerialSignal_RTS;
spin_lock_irqsave(&info->lock,flags);
set_signals(info);
set_gtsignals(info);
spin_unlock_irqrestore(&info->lock,flags);
}
@ -1237,7 +1182,7 @@ static inline void line_info(struct seq_file *m, struct slgt_info *info)
/* output current serial signal states */
spin_lock_irqsave(&info->lock,flags);
get_signals(info);
get_gtsignals(info);
spin_unlock_irqrestore(&info->lock,flags);
stat_buf[0] = 0;
@ -1337,7 +1282,7 @@ static void throttle(struct tty_struct * tty)
if (C_CRTSCTS(tty)) {
spin_lock_irqsave(&info->lock,flags);
info->signals &= ~SerialSignal_RTS;
set_signals(info);
set_gtsignals(info);
spin_unlock_irqrestore(&info->lock,flags);
}
}
@ -1362,7 +1307,7 @@ static void unthrottle(struct tty_struct * tty)
if (C_CRTSCTS(tty)) {
spin_lock_irqsave(&info->lock,flags);
info->signals |= SerialSignal_RTS;
set_signals(info);
set_gtsignals(info);
spin_unlock_irqrestore(&info->lock,flags);
}
}
@ -1533,7 +1478,7 @@ static int hdlcdev_open(struct net_device *dev)
/* inform generic HDLC layer of current DCD status */
spin_lock_irqsave(&info->lock, flags);
get_signals(info);
get_gtsignals(info);
spin_unlock_irqrestore(&info->lock, flags);
if (info->signals & SerialSignal_DCD)
netif_carrier_on(dev);
@ -2287,7 +2232,7 @@ static void isr_txeom(struct slgt_info *info, unsigned short status)
if (info->params.mode != MGSL_MODE_ASYNC && info->drop_rts_on_tx_done) {
info->signals &= ~SerialSignal_RTS;
info->drop_rts_on_tx_done = false;
set_signals(info);
set_gtsignals(info);
}
#if SYNCLINK_GENERIC_HDLC
@ -2452,7 +2397,7 @@ static void shutdown(struct slgt_info *info)
if (!info->port.tty || info->port.tty->termios.c_cflag & HUPCL) {
info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
set_signals(info);
set_gtsignals(info);
}
flush_cond_wait(&info->gpio_wait_q);
@ -2480,7 +2425,7 @@ static void program_hw(struct slgt_info *info)
else
async_mode(info);
set_signals(info);
set_gtsignals(info);
info->dcd_chkcount = 0;
info->cts_chkcount = 0;
@ -2488,7 +2433,7 @@ static void program_hw(struct slgt_info *info)
info->dsr_chkcount = 0;
slgt_irq_on(info, IRQ_DCD | IRQ_CTS | IRQ_DSR | IRQ_RI);
get_signals(info);
get_gtsignals(info);
if (info->netcount ||
(info->port.tty && info->port.tty->termios.c_cflag & CREAD))
@ -2732,7 +2677,7 @@ static int wait_mgsl_event(struct slgt_info *info, int __user *mask_ptr)
spin_lock_irqsave(&info->lock,flags);
/* return immediately if state matches requested events */
get_signals(info);
get_gtsignals(info);
s = info->signals;
events = mask &
@ -3150,7 +3095,7 @@ static int tiocmget(struct tty_struct *tty)
unsigned long flags;
spin_lock_irqsave(&info->lock,flags);
get_signals(info);
get_gtsignals(info);
spin_unlock_irqrestore(&info->lock,flags);
result = ((info->signals & SerialSignal_RTS) ? TIOCM_RTS:0) +
@ -3189,7 +3134,7 @@ static int tiocmset(struct tty_struct *tty,
info->signals &= ~SerialSignal_DTR;
spin_lock_irqsave(&info->lock,flags);
set_signals(info);
set_gtsignals(info);
spin_unlock_irqrestore(&info->lock,flags);
return 0;
}
@ -3200,7 +3145,7 @@ static int carrier_raised(struct tty_port *port)
struct slgt_info *info = container_of(port, struct slgt_info, port);
spin_lock_irqsave(&info->lock,flags);
get_signals(info);
get_gtsignals(info);
spin_unlock_irqrestore(&info->lock,flags);
return (info->signals & SerialSignal_DCD) ? 1 : 0;
}
@ -3215,7 +3160,7 @@ static void dtr_rts(struct tty_port *port, int on)
info->signals |= SerialSignal_RTS | SerialSignal_DTR;
else
info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
set_signals(info);
set_gtsignals(info);
spin_unlock_irqrestore(&info->lock,flags);
}
@ -4018,10 +3963,10 @@ static void tx_start(struct slgt_info *info)
if (info->params.mode != MGSL_MODE_ASYNC) {
if (info->params.flags & HDLC_FLAG_AUTO_RTS) {
get_signals(info);
get_gtsignals(info);
if (!(info->signals & SerialSignal_RTS)) {
info->signals |= SerialSignal_RTS;
set_signals(info);
set_gtsignals(info);
info->drop_rts_on_tx_done = true;
}
}
@ -4075,7 +4020,7 @@ static void reset_port(struct slgt_info *info)
rx_stop(info);
info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
set_signals(info);
set_gtsignals(info);
slgt_irq_off(info, IRQ_ALL | IRQ_MASTER);
}
@ -4497,7 +4442,7 @@ static void tx_set_idle(struct slgt_info *info)
/*
* get state of V24 status (input) signals
*/
static void get_signals(struct slgt_info *info)
static void get_gtsignals(struct slgt_info *info)
{
unsigned short status = rd_reg16(info, SSR);
@ -4559,7 +4504,7 @@ static void msc_set_vcr(struct slgt_info *info)
/*
* set state of V24 control (output) signals
*/
static void set_signals(struct slgt_info *info)
static void set_gtsignals(struct slgt_info *info)
{
unsigned char val = rd_reg8(info, VCR);
if (info->signals & SerialSignal_DTR)

7
drivers/usb/class/cdc-acm.c
View file

@ -726,7 +726,8 @@ static void acm_port_destruct(struct tty_port *port)
{
struct acm *acm = container_of(port, struct acm, port);
acm_release_minor(acm);
if (acm->minor != ACM_MINOR_INVALID)
acm_release_minor(acm);
usb_put_intf(acm->control);
kfree(acm->country_codes);
kfree(acm);
@ -1343,8 +1344,10 @@ made_compressed_probe:
usb_get_intf(acm->control); /* undone in destruct() */
minor = acm_alloc_minor(acm);
if (minor < 0)
if (minor < 0) {
acm->minor = ACM_MINOR_INVALID;
goto alloc_fail1;
}
acm->minor = minor;
acm->dev = usb_dev;

2
drivers/usb/class/cdc-acm.h
View file

@ -22,6 +22,8 @@
#define ACM_TTY_MAJOR 166
#define ACM_TTY_MINORS 256
#define ACM_MINOR_INVALID ACM_TTY_MINORS
/*
* Requests.
*/

31
drivers/usb/core/hcd.c
View file

@ -2640,6 +2640,7 @@ int usb_add_hcd(struct usb_hcd *hcd,
{
int retval;
struct usb_device *rhdev;
struct usb_hcd *shared_hcd;
if (!hcd->skip_phy_initialization && usb_hcd_is_primary_hcd(hcd)) {
hcd->phy_roothub = usb_phy_roothub_alloc(hcd->self.sysdev);
@ -2796,13 +2797,26 @@ int usb_add_hcd(struct usb_hcd *hcd,
goto err_hcd_driver_start;
}
/* starting here, usbcore will pay attention to this root hub */
retval = register_root_hub(hcd);
if (retval != 0)
goto err_register_root_hub;
/* starting here, usbcore will pay attention to the shared HCD roothub */
shared_hcd = hcd->shared_hcd;
if (!usb_hcd_is_primary_hcd(hcd) && shared_hcd && HCD_DEFER_RH_REGISTER(shared_hcd)) {
retval = register_root_hub(shared_hcd);
if (retval != 0)
goto err_register_root_hub;
if (hcd->uses_new_polling && HCD_POLL_RH(hcd))
usb_hcd_poll_rh_status(hcd);
if (shared_hcd->uses_new_polling && HCD_POLL_RH(shared_hcd))
usb_hcd_poll_rh_status(shared_hcd);
}
/* starting here, usbcore will pay attention to this root hub */
if (!HCD_DEFER_RH_REGISTER(hcd)) {
retval = register_root_hub(hcd);
if (retval != 0)
goto err_register_root_hub;
if (hcd->uses_new_polling && HCD_POLL_RH(hcd))
usb_hcd_poll_rh_status(hcd);
}
return retval;
@ -2845,6 +2859,7 @@ EXPORT_SYMBOL_GPL(usb_add_hcd);
void usb_remove_hcd(struct usb_hcd *hcd)
{
struct usb_device *rhdev = hcd->self.root_hub;
bool rh_registered;
dev_info(hcd->self.controller, "remove, state %x\n", hcd->state);
@ -2855,6 +2870,7 @@ void usb_remove_hcd(struct usb_hcd *hcd)
dev_dbg(hcd->self.controller, "roothub graceful disconnect\n");
spin_lock_irq (&hcd_root_hub_lock);
rh_registered = hcd->rh_registered;
hcd->rh_registered = 0;
spin_unlock_irq (&hcd_root_hub_lock);
@ -2864,7 +2880,8 @@ void usb_remove_hcd(struct usb_hcd *hcd)
cancel_work_sync(&hcd->died_work);
mutex_lock(&usb_bus_idr_lock);
usb_disconnect(&rhdev); /* Sets rhdev to NULL */
if (rh_registered)
usb_disconnect(&rhdev); /* Sets rhdev to NULL */
mutex_unlock(&usb_bus_idr_lock);
/*

195
drivers/usb/dwc2/gadget.c
View file

@ -115,10 +115,16 @@ static inline bool using_desc_dma(struct dwc2_hsotg *hsotg)
*/
static inline void dwc2_gadget_incr_frame_num(struct dwc2_hsotg_ep *hs_ep)
{
struct dwc2_hsotg *hsotg = hs_ep->parent;
u16 limit = DSTS_SOFFN_LIMIT;
if (hsotg->gadget.speed != USB_SPEED_HIGH)
limit >>= 3;
hs_ep->target_frame += hs_ep->interval;
if (hs_ep->target_frame > DSTS_SOFFN_LIMIT) {
if (hs_ep->target_frame > limit) {
hs_ep->frame_overrun = true;
hs_ep->target_frame &= DSTS_SOFFN_LIMIT;
hs_ep->target_frame &= limit;
} else {
hs_ep->frame_overrun = false;
}
@ -136,10 +142,16 @@ static inline void dwc2_gadget_incr_frame_num(struct dwc2_hsotg_ep *hs_ep)
*/
static inline void dwc2_gadget_dec_frame_num_by_one(struct dwc2_hsotg_ep *hs_ep)
{
struct dwc2_hsotg *hsotg = hs_ep->parent;
u16 limit = DSTS_SOFFN_LIMIT;
if (hsotg->gadget.speed != USB_SPEED_HIGH)
limit >>= 3;
if (hs_ep->target_frame)
hs_ep->target_frame -= 1;
else
hs_ep->target_frame = DSTS_SOFFN_LIMIT;
hs_ep->target_frame = limit;
}
/**
@ -1018,6 +1030,12 @@ static void dwc2_gadget_start_isoc_ddma(struct dwc2_hsotg_ep *hs_ep)
dwc2_writel(hsotg, ctrl, depctl);
}
static bool dwc2_gadget_target_frame_elapsed(struct dwc2_hsotg_ep *hs_ep);
static void dwc2_hsotg_complete_request(struct dwc2_hsotg *hsotg,
struct dwc2_hsotg_ep *hs_ep,
struct dwc2_hsotg_req *hs_req,
int result);
/**
* dwc2_hsotg_start_req - start a USB request from an endpoint's queue
* @hsotg: The controller state.
@ -1170,14 +1188,19 @@ static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg,
}
}
if (hs_ep->isochronous && hs_ep->interval == 1) {
hs_ep->target_frame = dwc2_hsotg_read_frameno(hsotg);
dwc2_gadget_incr_frame_num(hs_ep);
if (hs_ep->target_frame & 0x1)
ctrl |= DXEPCTL_SETODDFR;
else
ctrl |= DXEPCTL_SETEVENFR;
if (hs_ep->isochronous) {
if (!dwc2_gadget_target_frame_elapsed(hs_ep)) {
if (hs_ep->interval == 1) {
if (hs_ep->target_frame & 0x1)
ctrl |= DXEPCTL_SETODDFR;
else
ctrl |= DXEPCTL_SETEVENFR;
}
ctrl |= DXEPCTL_CNAK;
} else {
dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA);
return;
}
}
ctrl |= DXEPCTL_EPENA; /* ensure ep enabled */
@ -1325,12 +1348,16 @@ static bool dwc2_gadget_target_frame_elapsed(struct dwc2_hsotg_ep *hs_ep)
u32 target_frame = hs_ep->target_frame;
u32 current_frame = hsotg->frame_number;
bool frame_overrun = hs_ep->frame_overrun;
u16 limit = DSTS_SOFFN_LIMIT;
if (hsotg->gadget.speed != USB_SPEED_HIGH)
limit >>= 3;
if (!frame_overrun && current_frame >= target_frame)
return true;
if (frame_overrun && current_frame >= target_frame &&
((current_frame - target_frame) < DSTS_SOFFN_LIMIT / 2))
((current_frame - target_frame) < limit / 2))
return true;
return false;
@ -1713,11 +1740,9 @@ static struct dwc2_hsotg_req *get_ep_head(struct dwc2_hsotg_ep *hs_ep)
*/
static void dwc2_gadget_start_next_request(struct dwc2_hsotg_ep *hs_ep)
{
u32 mask;
struct dwc2_hsotg *hsotg = hs_ep->parent;
int dir_in = hs_ep->dir_in;
struct dwc2_hsotg_req *hs_req;
u32 epmsk_reg = dir_in ? DIEPMSK : DOEPMSK;
if (!list_empty(&hs_ep->queue)) {
hs_req = get_ep_head(hs_ep);
@ -1733,9 +1758,6 @@ static void dwc2_gadget_start_next_request(struct dwc2_hsotg_ep *hs_ep)
} else {
dev_dbg(hsotg->dev, "%s: No more ISOC-OUT requests\n",
__func__);
mask = dwc2_readl(hsotg, epmsk_reg);
mask |= DOEPMSK_OUTTKNEPDISMSK;
dwc2_writel(hsotg, mask, epmsk_reg);
}
}
@ -2305,19 +2327,6 @@ static void dwc2_hsotg_ep0_zlp(struct dwc2_hsotg *hsotg, bool dir_in)
dwc2_hsotg_program_zlp(hsotg, hsotg->eps_out[0]);
}
static void dwc2_hsotg_change_ep_iso_parity(struct dwc2_hsotg *hsotg,
u32 epctl_reg)
{
u32 ctrl;
ctrl = dwc2_readl(hsotg, epctl_reg);
if (ctrl & DXEPCTL_EOFRNUM)
ctrl |= DXEPCTL_SETEVENFR;
else
ctrl |= DXEPCTL_SETODDFR;
dwc2_writel(hsotg, ctrl, epctl_reg);
}
/*
* dwc2_gadget_get_xfersize_ddma - get transferred bytes amount from desc
* @hs_ep - The endpoint on which transfer went
@ -2438,20 +2447,11 @@ static void dwc2_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum)
dwc2_hsotg_ep0_zlp(hsotg, true);
}
/*
* Slave mode OUT transfers do not go through XferComplete so
* adjust the ISOC parity here.
*/
if (!using_dma(hsotg)) {
if (hs_ep->isochronous && hs_ep->interval == 1)
dwc2_hsotg_change_ep_iso_parity(hsotg, DOEPCTL(epnum));
else if (hs_ep->isochronous && hs_ep->interval > 1)
dwc2_gadget_incr_frame_num(hs_ep);
}
/* Set actual frame number for completed transfers */
if (!using_desc_dma(hsotg) && hs_ep->isochronous)
req->frame_number = hsotg->frame_number;
if (!using_desc_dma(hsotg) && hs_ep->isochronous) {
req->frame_number = hs_ep->target_frame;
dwc2_gadget_incr_frame_num(hs_ep);
}
dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, result);
}
@ -2765,6 +2765,12 @@ static void dwc2_hsotg_complete_in(struct dwc2_hsotg *hsotg,
return;
}
/* Set actual frame number for completed transfers */
if (!using_desc_dma(hsotg) && hs_ep->isochronous) {
hs_req->req.frame_number = hs_ep->target_frame;
dwc2_gadget_incr_frame_num(hs_ep);
}
dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0);
}
@ -2825,23 +2831,18 @@ static void dwc2_gadget_handle_ep_disabled(struct dwc2_hsotg_ep *hs_ep)
dwc2_hsotg_txfifo_flush(hsotg, hs_ep->fifo_index);
if (hs_ep->isochronous) {
dwc2_hsotg_complete_in(hsotg, hs_ep);
return;
}
if ((epctl & DXEPCTL_STALL) && (epctl & DXEPCTL_EPTYPE_BULK)) {
int dctl = dwc2_readl(hsotg, DCTL);
dctl |= DCTL_CGNPINNAK;
dwc2_writel(hsotg, dctl, DCTL);
}
return;
}
} else {
if (dctl & DCTL_GOUTNAKSTS) {
dctl |= DCTL_CGOUTNAK;
dwc2_writel(hsotg, dctl, DCTL);
if (dctl & DCTL_GOUTNAKSTS) {
dctl |= DCTL_CGOUTNAK;
dwc2_writel(hsotg, dctl, DCTL);
}
}
if (!hs_ep->isochronous)
@ -2862,8 +2863,6 @@ static void dwc2_gadget_handle_ep_disabled(struct dwc2_hsotg_ep *hs_ep)
/* Update current frame number value. */
hsotg->frame_number = dwc2_hsotg_read_frameno(hsotg);
} while (dwc2_gadget_target_frame_elapsed(hs_ep));
dwc2_gadget_start_next_request(hs_ep);
}
/**
@ -2880,8 +2879,8 @@ static void dwc2_gadget_handle_ep_disabled(struct dwc2_hsotg_ep *hs_ep)
static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep)
{
struct dwc2_hsotg *hsotg = ep->parent;
struct dwc2_hsotg_req *hs_req;
int dir_in = ep->dir_in;
u32 doepmsk;
if (dir_in || !ep->isochronous)
return;
@ -2895,28 +2894,39 @@ static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep)
return;
}
if (ep->interval > 1 &&
ep->target_frame == TARGET_FRAME_INITIAL) {
if (ep->target_frame == TARGET_FRAME_INITIAL) {
u32 ctrl;
ep->target_frame = hsotg->frame_number;
dwc2_gadget_incr_frame_num(ep);
if (ep->interval > 1) {
ctrl = dwc2_readl(hsotg, DOEPCTL(ep->index));
if (ep->target_frame & 0x1)
ctrl |= DXEPCTL_SETODDFR;
else
ctrl |= DXEPCTL_SETEVENFR;
ctrl = dwc2_readl(hsotg, DOEPCTL(ep->index));
if (ep->target_frame & 0x1)
ctrl |= DXEPCTL_SETODDFR;
else
ctrl |= DXEPCTL_SETEVENFR;
dwc2_writel(hsotg, ctrl, DOEPCTL(ep->index));
dwc2_writel(hsotg, ctrl, DOEPCTL(ep->index));
}
}
dwc2_gadget_start_next_request(ep);
doepmsk = dwc2_readl(hsotg, DOEPMSK);
doepmsk &= ~DOEPMSK_OUTTKNEPDISMSK;
dwc2_writel(hsotg, doepmsk, DOEPMSK);
while (dwc2_gadget_target_frame_elapsed(ep)) {
hs_req = get_ep_head(ep);
if (hs_req)
dwc2_hsotg_complete_request(hsotg, ep, hs_req, -ENODATA);
dwc2_gadget_incr_frame_num(ep);
/* Update current frame number value. */
hsotg->frame_number = dwc2_hsotg_read_frameno(hsotg);
}
if (!ep->req)
dwc2_gadget_start_next_request(ep);
}
static void dwc2_hsotg_ep_stop_xfr(struct dwc2_hsotg *hsotg,
struct dwc2_hsotg_ep *hs_ep);
/**
* dwc2_gadget_handle_nak - handle NAK interrupt
* @hs_ep: The endpoint on which interrupt is asserted.
@ -2934,7 +2944,9 @@ static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep)
static void dwc2_gadget_handle_nak(struct dwc2_hsotg_ep *hs_ep)
{
struct dwc2_hsotg *hsotg = hs_ep->parent;
struct dwc2_hsotg_req *hs_req;
int dir_in = hs_ep->dir_in;
u32 ctrl;
if (!dir_in || !hs_ep->isochronous)
return;
@ -2976,13 +2988,29 @@ static void dwc2_gadget_handle_nak(struct dwc2_hsotg_ep *hs_ep)
dwc2_writel(hsotg, ctrl, DIEPCTL(hs_ep->index));
}
dwc2_hsotg_complete_request(hsotg, hs_ep,
get_ep_head(hs_ep), 0);
}
if (!using_desc_dma(hsotg))
if (using_desc_dma(hsotg))
return;
ctrl = dwc2_readl(hsotg, DIEPCTL(hs_ep->index));
if (ctrl & DXEPCTL_EPENA)
dwc2_hsotg_ep_stop_xfr(hsotg, hs_ep);
else
dwc2_hsotg_txfifo_flush(hsotg, hs_ep->fifo_index);
while (dwc2_gadget_target_frame_elapsed(hs_ep)) {
hs_req = get_ep_head(hs_ep);
if (hs_req)
dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA);
dwc2_gadget_incr_frame_num(hs_ep);
/* Update current frame number value. */
hsotg->frame_number = dwc2_hsotg_read_frameno(hsotg);
}
if (!hs_ep->req)
dwc2_gadget_start_next_request(hs_ep);
}
/**
@ -3038,21 +3066,15 @@ static void dwc2_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx,
/* In DDMA handle isochronous requests separately */
if (using_desc_dma(hsotg) && hs_ep->isochronous) {
/* XferCompl set along with BNA */
if (!(ints & DXEPINT_BNAINTR))
dwc2_gadget_complete_isoc_request_ddma(hs_ep);
dwc2_gadget_complete_isoc_request_ddma(hs_ep);
} else if (dir_in) {
/*
* We get OutDone from the FIFO, so we only
* need to look at completing IN requests here
* if operating slave mode
*/
if (hs_ep->isochronous && hs_ep->interval > 1)
dwc2_gadget_incr_frame_num(hs_ep);
dwc2_hsotg_complete_in(hsotg, hs_ep);
if (ints & DXEPINT_NAKINTRPT)
ints &= ~DXEPINT_NAKINTRPT;
if (!hs_ep->isochronous || !(ints & DXEPINT_NAKINTRPT))
dwc2_hsotg_complete_in(hsotg, hs_ep);
if (idx == 0 && !hs_ep->req)
dwc2_hsotg_enqueue_setup(hsotg);
@ -3061,10 +3083,8 @@ static void dwc2_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx,
* We're using DMA, we need to fire an OutDone here
* as we ignore the RXFIFO.
*/
if (hs_ep->isochronous && hs_ep->interval > 1)
dwc2_gadget_incr_frame_num(hs_ep);
dwc2_hsotg_handle_outdone(hsotg, idx);
if (!hs_ep->isochronous || !(ints & DXEPINT_OUTTKNEPDIS))
dwc2_hsotg_handle_outdone(hsotg, idx);
}
}
@ -4083,6 +4103,7 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep,
mask |= DIEPMSK_NAKMSK;
dwc2_writel(hsotg, mask, DIEPMSK);
} else {
epctrl |= DXEPCTL_SNAK;
mask = dwc2_readl(hsotg, DOEPMSK);
mask |= DOEPMSK_OUTTKNEPDISMSK;
dwc2_writel(hsotg, mask, DOEPMSK);

30
drivers/usb/dwc3/core.c
View file

@ -264,19 +264,6 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc)
{
u32 reg;
int retries = 1000;
int ret;
usb_phy_init(dwc->usb2_phy);
usb_phy_init(dwc->usb3_phy);
ret = phy_init(dwc->usb2_generic_phy);
if (ret < 0)
return ret;
ret = phy_init(dwc->usb3_generic_phy);
if (ret < 0) {
phy_exit(dwc->usb2_generic_phy);
return ret;
}
/*
* We're resetting only the device side because, if we're in host mode,
@ -310,9 +297,6 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc)
udelay(1);
} while (--retries);
phy_exit(dwc->usb3_generic_phy);
phy_exit(dwc->usb2_generic_phy);
return -ETIMEDOUT;
done:
@ -982,9 +966,21 @@ static int dwc3_core_init(struct dwc3 *dwc)
dwc->phys_ready = true;
}
usb_phy_init(dwc->usb2_phy);
usb_phy_init(dwc->usb3_phy);
ret = phy_init(dwc->usb2_generic_phy);
if (ret < 0)
goto err0a;
ret = phy_init(dwc->usb3_generic_phy);
if (ret < 0) {
phy_exit(dwc->usb2_generic_phy);
goto err0a;
}
ret = dwc3_core_soft_reset(dwc);
if (ret)
goto err0a;
goto err1;
if (hw_mode == DWC3_GHWPARAMS0_MODE_DRD &&
!DWC3_VER_IS_WITHIN(DWC3, ANY, 194A)) {

2
drivers/usb/gadget/udc/r8a66597-udc.c
View file

@ -1250,7 +1250,7 @@ static void set_feature(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
do {
tmp = r8a66597_read(r8a66597, INTSTS0) & CTSQ;
udelay(1);
} while (tmp != CS_IDST || timeout-- > 0);
} while (tmp != CS_IDST && timeout-- > 0);
if (tmp == CS_IDST)
r8a66597_bset(r8a66597,

5
drivers/usb/host/bcma-hcd.c
View file

@ -406,12 +406,9 @@ static int bcma_hcd_probe(struct bcma_device *core)
return -ENOMEM;
usb_dev->core = core;
if (core->dev.of_node) {
if (core->dev.of_node)
usb_dev->gpio_desc = devm_gpiod_get(&core->dev, "vcc",
GPIOD_OUT_HIGH);
if (IS_ERR(usb_dev->gpio_desc))
return PTR_ERR(usb_dev->gpio_desc);
}
switch (core->id.id) {
case BCMA_CORE_USB20_HOST:

1
drivers/usb/host/xhci.c
View file

@ -692,6 +692,7 @@ int xhci_run(struct usb_hcd *hcd)
if (ret)
xhci_free_command(xhci, command);
}
set_bit(HCD_FLAG_DEFER_RH_REGISTER, &hcd->flags);
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
"Finished xhci_run for USB2 roothub");

1
drivers/usb/musb/tusb6010.c
View file

@ -190,6 +190,7 @@ tusb_fifo_write_unaligned(void __iomem *fifo, const u8 *buf, u16 len)
}
if (len > 0) {
/* Write the rest 1 - 3 bytes to FIFO */
val = 0;
memcpy(&val, buf, len);
musb_writel(fifo, 0, val);
}

47
drivers/usb/serial/cp210x.c
View file

@ -237,6 +237,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */
{ USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */
{ USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */
{ USB_DEVICE(0x2184, 0x0030) }, /* GW Instek GDM-834x Digital Multimeter */
{ USB_DEVICE(0x2626, 0xEA60) }, /* Aruba Networks 7xxx USB Serial Console */
{ USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */
{ USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */
@ -260,6 +261,7 @@ struct cp210x_serial_private {
speed_t min_speed;
speed_t max_speed;
bool use_actual_rate;
bool no_event_mode;
};
enum cp210x_event_state {
@ -1331,12 +1333,16 @@ static void cp210x_change_speed(struct tty_struct *tty,
static void cp210x_enable_event_mode(struct usb_serial_port *port)
{
struct cp210x_serial_private *priv = usb_get_serial_data(port->serial);
struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
int ret;
if (port_priv->event_mode)
return;
if (priv->no_event_mode)
return;
port_priv->event_state = ES_DATA;
port_priv->event_mode = true;
@ -2086,6 +2092,46 @@ static void cp210x_init_max_speed(struct usb_serial *serial)
priv->use_actual_rate = use_actual_rate;
}
static void cp2102_determine_quirks(struct usb_serial *serial)
{
struct cp210x_serial_private *priv = usb_get_serial_data(serial);
u8 *buf;
int ret;
buf = kmalloc(2, GFP_KERNEL);
if (!buf)
return;
/*
* Some (possibly counterfeit) CP2102 do not support event-insertion
* mode and respond differently to malformed vendor requests.
* Specifically, they return one instead of two bytes when sent a
* two-byte part-number request.
*/
ret = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
CP210X_VENDOR_SPECIFIC, REQTYPE_DEVICE_TO_HOST,
CP210X_GET_PARTNUM, 0, buf, 2, USB_CTRL_GET_TIMEOUT);
if (ret == 1) {
dev_dbg(&serial->interface->dev,
"device does not support event-insertion mode\n");
priv->no_event_mode = true;
}
kfree(buf);
}
static void cp210x_determine_quirks(struct usb_serial *serial)
{
struct cp210x_serial_private *priv = usb_get_serial_data(serial);
switch (priv->partnum) {
case CP210X_PARTNUM_CP2102:
cp2102_determine_quirks(serial);
break;
default:
break;
}
}
static int cp210x_attach(struct usb_serial *serial)
{
int result;
@ -2106,6 +2152,7 @@ static int cp210x_attach(struct usb_serial *serial)
usb_set_serial_data(serial, priv);
cp210x_determine_quirks(serial);
cp210x_init_max_speed(serial);
result = cp210x_gpio_init(serial);

2
drivers/usb/serial/mos7840.c
View file

@ -107,7 +107,6 @@
#define BANDB_DEVICE_ID_USOPTL4_2P 0xBC02
#define BANDB_DEVICE_ID_USOPTL4_4 0xAC44
#define BANDB_DEVICE_ID_USOPTL4_4P 0xBC03
#define BANDB_DEVICE_ID_USOPTL2_4 0xAC24
/* Interrupt Routine Defines */
@ -186,7 +185,6 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2P) },
{ USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4) },
{ USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4P) },
{ USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4) },
{} /* terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);

11
drivers/usb/serial/option.c
View file

@ -1205,6 +1205,14 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1056, 0xff), /* Telit FD980 */
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1060, 0xff), /* Telit LN920 (rmnet) */
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1061, 0xff), /* Telit LN920 (MBIM) */
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1062, 0xff), /* Telit LN920 (RNDIS) */
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1063, 0xff), /* Telit LN920 (ECM) */
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@ -1650,7 +1658,6 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0130, 0xff, 0xff, 0xff),
.driver_info = RSVD(1) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0133, 0xff, 0xff, 0xff),
@ -2068,6 +2075,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
{ USB_DEVICE(0x0489, 0xe0b5), /* Foxconn T77W968 ESIM */
.driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
{ USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0db, 0xff), /* Foxconn T99W265 MBIM */
.driver_info = RSVD(3) },
{ USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */
.driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
{ USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */

9
drivers/usb/storage/unusual_devs.h
View file

@ -416,9 +416,16 @@ UNUSUAL_DEV( 0x04cb, 0x0100, 0x0000, 0x2210,
USB_SC_UFI, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY | US_FL_SINGLE_LUN),
/*
* Reported by Ondrej Zary <linux@rainbow-software.org>
* Reported by Ondrej Zary <linux@zary.sk>
* The device reports one sector more and breaks when that sector is accessed
* Firmwares older than 2.6c (the latest one and the only that claims Linux
* support) have also broken tag handling
*/
UNUSUAL_DEV( 0x04ce, 0x0002, 0x0000, 0x026b,
"ScanLogic",
"SL11R-IDE",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_FIX_CAPACITY | US_FL_BULK_IGNORE_TAG),
UNUSUAL_DEV( 0x04ce, 0x0002, 0x026c, 0x026c,
"ScanLogic",
"SL11R-IDE",

2
drivers/usb/storage/unusual_uas.h
View file

@ -50,7 +50,7 @@ UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999,
"LaCie",
"Rugged USB3-FW",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_IGNORE_UAS),
US_FL_NO_REPORT_OPCODES | US_FL_NO_SAME),
/*
* Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI

62
drivers/xen/balloon.c
View file

@ -43,6 +43,8 @@
#include <linux/sched.h>
#include <linux/cred.h>
#include <linux/errno.h>
#include <linux/freezer.h>
#include <linux/kthread.h>
#include <linux/mm.h>
#include <linux/memblock.h>
#include <linux/pagemap.h>
@ -115,7 +117,7 @@ static struct ctl_table xen_root[] = {
#define EXTENT_ORDER (fls(XEN_PFN_PER_PAGE) - 1)
/*
* balloon_process() state:
* balloon_thread() state:
*
* BP_DONE: done or nothing to do,
* BP_WAIT: wait to be rescheduled,
@ -130,6 +132,8 @@ enum bp_state {
BP_ECANCELED
};
/* Main waiting point for xen-balloon thread. */
static DECLARE_WAIT_QUEUE_HEAD(balloon_thread_wq);
static DEFINE_MUTEX(balloon_mutex);
@ -144,10 +148,6 @@ static xen_pfn_t frame_list[PAGE_SIZE / sizeof(xen_pfn_t)];
static LIST_HEAD(ballooned_pages);
static DECLARE_WAIT_QUEUE_HEAD(balloon_wq);
/* Main work function, always executed in process context. */
static void balloon_process(struct work_struct *work);
static DECLARE_DELAYED_WORK(balloon_worker, balloon_process);
/* When ballooning out (allocating memory to return to Xen) we don't really
want the kernel to try too hard since that can trigger the oom killer. */
#define GFP_BALLOON \
@ -366,7 +366,7 @@ static void xen_online_page(struct page *page, unsigned int order)
static int xen_memory_notifier(struct notifier_block *nb, unsigned long val, void *v)
{
if (val == MEM_ONLINE)
schedule_delayed_work(&balloon_worker, 0);
wake_up(&balloon_thread_wq);
return NOTIFY_OK;
}
@ -491,18 +491,43 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
}
/*
* As this is a work item it is guaranteed to run as a single instance only.
* Stop waiting if either state is not BP_EAGAIN and ballooning action is
* needed, or if the credit has changed while state is BP_EAGAIN.
*/
static bool balloon_thread_cond(enum bp_state state, long credit)
{
if (state != BP_EAGAIN)
credit = 0;
return current_credit() != credit || kthread_should_stop();
}
/*
* As this is a kthread it is guaranteed to run as a single instance only.
* We may of course race updates of the target counts (which are protected
* by the balloon lock), or with changes to the Xen hard limit, but we will
* recover from these in time.
*/
static void balloon_process(struct work_struct *work)
static int balloon_thread(void *unused)
{
enum bp_state state = BP_DONE;
long credit;
unsigned long timeout;
set_freezable();
for (;;) {
if (state == BP_EAGAIN)
timeout = balloon_stats.schedule_delay * HZ;
else
timeout = 3600 * HZ;
credit = current_credit();
wait_event_freezable_timeout(balloon_thread_wq,
balloon_thread_cond(state, credit), timeout);
if (kthread_should_stop())
return 0;
do {
mutex_lock(&balloon_mutex);
credit = current_credit();
@ -529,12 +554,7 @@ static void balloon_process(struct work_struct *work)
mutex_unlock(&balloon_mutex);
cond_resched();
} while (credit && state == BP_DONE);
/* Schedule more work if there is some still to be done. */
if (state == BP_EAGAIN)
schedule_delayed_work(&balloon_worker, balloon_stats.schedule_delay * HZ);
}
}
/* Resets the Xen limit, sets new target, and kicks off processing. */
@ -542,7 +562,7 @@ void balloon_set_new_target(unsigned long target)
{
/* No need for lock. Not read-modify-write updates. */
balloon_stats.target_pages = target;
schedule_delayed_work(&balloon_worker, 0);
wake_up(&balloon_thread_wq);
}
EXPORT_SYMBOL_GPL(balloon_set_new_target);
@ -647,7 +667,7 @@ void free_xenballooned_pages(int nr_pages, struct page **pages)
/* The balloon may be too large now. Shrink it if needed. */
if (current_credit())
schedule_delayed_work(&balloon_worker, 0);
wake_up(&balloon_thread_wq);
mutex_unlock(&balloon_mutex);
}
@ -679,6 +699,8 @@ static void __init balloon_add_region(unsigned long start_pfn,
static int __init balloon_init(void)
{
struct task_struct *task;
if (!xen_domain())
return -ENODEV;
@ -722,6 +744,12 @@ static int __init balloon_init(void)
}
#endif
task = kthread_run(balloon_thread, NULL, "xen-balloon");
if (IS_ERR(task)) {
pr_err("xen-balloon thread could not be started, ballooning will not work!\n");
return PTR_ERR(task);
}
/* Init the xen-balloon driver. */
xen_balloon_init();

46
fs/afs/dir.c
View file

@ -997,9 +997,9 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry,
*/
static int afs_d_revalidate_rcu(struct dentry *dentry)
{
struct afs_vnode *dvnode, *vnode;
struct afs_vnode *dvnode;
struct dentry *parent;
struct inode *dir, *inode;
struct inode *dir;
long dir_version, de_version;
_enter("%p", dentry);
@ -1029,18 +1029,6 @@ static int afs_d_revalidate_rcu(struct dentry *dentry)
return -ECHILD;
}
/* Check to see if the vnode referred to by the dentry still
* has a callback.
*/
if (d_really_is_positive(dentry)) {
inode = d_inode_rcu(dentry);
if (inode) {
vnode = AFS_FS_I(inode);
if (!afs_check_validity(vnode))
return -ECHILD;
}
}
return 1; /* Still valid */
}
@ -1076,17 +1064,7 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags)
if (IS_ERR(key))
key = NULL;
if (d_really_is_positive(dentry)) {
inode = d_inode(dentry);
if (inode) {
vnode = AFS_FS_I(inode);
afs_validate(vnode, key);
if (test_bit(AFS_VNODE_DELETED, &vnode->flags))
goto out_bad;
}
}
/* lock down the parent dentry so we can peer at it */
/* Hold the parent dentry so we can peer at it */
parent = dget_parent(dentry);
dir = AFS_FS_I(d_inode(parent));
@ -1095,7 +1073,7 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags)
if (test_bit(AFS_VNODE_DELETED, &dir->flags)) {
_debug("%pd: parent dir deleted", dentry);
goto out_bad_parent;
goto not_found;
}
/* We only need to invalidate a dentry if the server's copy changed
@ -1121,12 +1099,12 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags)
case 0:
/* the filename maps to something */
if (d_really_is_negative(dentry))
goto out_bad_parent;
goto not_found;
inode = d_inode(dentry);
if (is_bad_inode(inode)) {
printk("kAFS: afs_d_revalidate: %pd2 has bad inode\n",
dentry);
goto out_bad_parent;
goto not_found;
}
vnode = AFS_FS_I(inode);
@ -1148,9 +1126,6 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags)
dentry, fid.unique,
vnode->fid.unique,
vnode->vfs_inode.i_generation);
write_seqlock(&vnode->cb_lock);
set_bit(AFS_VNODE_DELETED, &vnode->flags);
write_sequnlock(&vnode->cb_lock);
goto not_found;
}
goto out_valid;
@ -1165,7 +1140,7 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags)
default:
_debug("failed to iterate dir %pd: %d",
parent, ret);
goto out_bad_parent;
goto not_found;
}
out_valid:
@ -1176,16 +1151,9 @@ out_valid_noupdate:
_leave(" = 1 [valid]");
return 1;
/* the dirent, if it exists, now points to a different vnode */
not_found:
spin_lock(&dentry->d_lock);
dentry->d_flags |= DCACHE_NFSFS_RENAMED;
spin_unlock(&dentry->d_lock);
out_bad_parent:
_debug("dropping dentry %pd2", dentry);
dput(parent);
out_bad:
key_put(key);
_leave(" = 0 [bad]");

4
fs/afs/dir_edit.c
View file

@ -264,7 +264,7 @@ void afs_edit_dir_add(struct afs_vnode *vnode,
if (b == nr_blocks) {
_debug("init %u", b);
afs_edit_init_block(meta, block, b);
i_size_write(&vnode->vfs_inode, (b + 1) * AFS_DIR_BLOCK_SIZE);
afs_set_i_size(vnode, (b + 1) * AFS_DIR_BLOCK_SIZE);
}
/* Only lower dir pages have a counter in the header. */
@ -297,7 +297,7 @@ void afs_edit_dir_add(struct afs_vnode *vnode,
new_directory:
afs_edit_init_block(meta, meta, 0);
i_size = AFS_DIR_BLOCK_SIZE;
i_size_write(&vnode->vfs_inode, i_size);
afs_set_i_size(vnode, i_size);
slot = AFS_DIR_RESV_BLOCKS0;
page = page0;
block = meta;

10
fs/afs/inode.c
View file

@ -53,16 +53,6 @@ static noinline void dump_vnode(struct afs_vnode *vnode, struct afs_vnode *paren
dump_stack();
}
/*
* Set the file size and block count. Estimate the number of 512 bytes blocks
* used, rounded up to nearest 1K for consistency with other AFS clients.
*/
static void afs_set_i_size(struct afs_vnode *vnode, u64 size)
{
i_size_write(&vnode->vfs_inode, size);
vnode->vfs_inode.i_blocks = ((size + 1023) >> 10) << 1;
}
/*
* Initialise an inode from the vnode status.
*/

10
fs/afs/internal.h
View file

@ -1573,6 +1573,16 @@ static inline void afs_update_dentry_version(struct afs_operation *op,
(void *)(unsigned long)dir_vp->scb.status.data_version;
}
/*
* Set the file size and block count. Estimate the number of 512 bytes blocks
* used, rounded up to nearest 1K for consistency with other AFS clients.
*/
static inline void afs_set_i_size(struct afs_vnode *vnode, u64 size)
{
i_size_write(&vnode->vfs_inode, size);
vnode->vfs_inode.i_blocks = ((size + 1023) >> 10) << 1;
}
/*
* Check for a conflicting operation on a directory that we just unlinked from.
* If someone managed to sneak a link or an unlink in on the file we just

2
fs/afs/write.c
View file

@ -184,7 +184,7 @@ int afs_write_end(struct file *file, struct address_space *mapping,
write_seqlock(&vnode->cb_lock);
i_size = i_size_read(&vnode->vfs_inode);
if (maybe_i_size > i_size)
i_size_write(&vnode->vfs_inode, maybe_i_size);
afs_set_i_size(vnode, maybe_i_size);
write_sequnlock(&vnode->cb_lock);
}

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