"skb" is non-NULL here, for example we dereference it in skb_clone().
The intent was to test "nskb" which was just set.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I applied the wrong version of Jiri's bonding fix in commit
13a8e0c8cd ("bonding: don't increase
rx_dropped after processing LACPDUs")
I applied v3, which introduces warnings I asked him to fix,
instead of v4 which properly takes care of those issues.
This inter-diffs such that the warnings are now gone.
Signed-off-by: David S. Miller <davem@davemloft.net>
- Fix a lock ordering deadlock in JFFS2
- Fix an oops in the dataflash driver, triggered by a dummy call to test
whether it has OTP functionality.
- Fix request_mem_region() failure on amsdelta NAND driver.
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Merge tag 'for-linus-3.4-20120513' of git://git.infradead.org/linux-mtd
Pull three MTD fixes from David Woodhouse:
- Fix a lock ordering deadlock in JFFS2
- Fix an oops in the dataflash driver, triggered by a dummy call to test
whether it has OTP functionality.
- Fix request_mem_region() failure on amsdelta NAND driver.
* tag 'for-linus-3.4-20120513' of git://git.infradead.org/linux-mtd:
mtd: ams-delta: fix request_mem_region() failure
jffs2: Fix lock acquisition order bug in gc path
mtd: fix oops in dataflash driver
This gets us up to date with the recommended current kernel infrastructure
and should transparently give us device tree interrupt bindings for any
devices using the framework. If an explicit IRQ mapping is passed in then
a legacy interrupt range is created, otherwise a simple linear mapping is
used. Previously a mapping was mandatory so existing drivers should not
be affected.
A function regmap_irq_get_virq() is provided to allow drivers to map
individual IRQs which should be used in preference to the existing
regmap_irq_chip_get_base() which is only valid if a legacy IRQ range is
provided.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Rather than using the pointer passed back by the regmap API (or complaining
because that wasn't actually being set) the da9052 driver was having some
fun and games peering through genirq and regmap internals. Fix the driver
to use the API as expected.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Reported-by: David Laight <David.Laight@aculab.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
In case of a client X roaming from a generic node A to another node B, it is
possible that a third node C gets A's OGM but not B's. At this point in time, if
C wants to send data to X it will send a unicast packet destined to A. The
packet header will contain A's last ttvn (C got A's OGM and so it knows it).
The packet will travel towards A without being intercepted because the ttvn
contained in its header is the newest for A.
Once A will receive the packet, A's state will not report to be in a "roaming
phase" (because, after a roaming, once A sends out its OGM, all the changes are
committed and the node is considered not to be in the roaming state anymore)
and it will match the ttvn carried by the packet. Therefore there is no reason
for A to try to alter the packet's route, thus dropping the packet because the
destination client is not there anymore.
However, C is well aware that it's routing information towards the client X is
outdated as it received an OGM from A saying that the client roamed away.
Thanks to this detail, this patch introduces a small change in behaviour: as
long as C is in the state of not knowing the new location of client X it will
forward the traffic to its last known location using ttvn-1 of the destination.
By using an older ttvn node A will be forced to re-route the packet.
Intermediate nodes are also allowed to update the packet's destination as long
as they have the information about the client's new location.
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Whenever we want to access headers only, we do not need to linearise the whole
packet. Instead we can use pskb_may_pull()
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Most PCI implementations perform simple root bus scanning. Rather than
having each group of platforms provide a duplicated bus scan function,
provide the PCI configuration ops structure via the hw_pci structure,
and call the root bus scanning function from core ARM PCI code.
Acked-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Most PCI implementations use the standard PCI swizzle function, which
handles the well defined behaviour of PCI-to-PCI bridges which can be
found on cards (eg, four port ethernet cards.)
Rather than having almost every platform specify the standard swizzle
function, make this the default when no swizzle function is supplied.
Therefore, a swizzle function only needs to be provided when there is
something exceptional which needs to be handled.
This gets rid of the swizzle initializer from 47 files, and leaves us
with just two platforms specifying a swizzle function: ARM Integrator
and Chalice CATS.
Acked-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This is at odds with the documentation in the file; it says pin 1 on
slots 24,25,26,27 map to IRQs 27,28,29,30, but the function will always
be entered with slot=0 due to the lack of swizzle function. Fix this
function to behave as the comments say, and use the standard PCI
swizzle.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The Integrator swizzle function is almost the same as the standard PCI
swizzle, except for an initial check for pin = 0. Make the integrator
swizzle function a wrapper around the standard PCI swizzle function so
we preseve this behaviour while using common code.
[fix to use pci_std_swizzle from Linus Walleij]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Add dt support for the pmu device tps62360 and
Add binding documentation with example.
With this patch driver will support both device-tree and
non-device tree registration.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Convert platform data member regulator_init_data to pointer type.
This will avoid the copy of entire regualator init data into
platform data member when adding dt support and it can be achieve
by simple assignment:
pdata->init_data = of_get_regulator_init_data(dev, dev->of_node);
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Move and invert the logic from the otherwise unused
compare_ether_addr_64bits to ether_addr_equal_64bits.
Neaten the logic in is_etherdev_addr.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I was hoping to be done with fixes for 3.4 but we got two branches from
subarch maintainers the last couple of days. So here is one last(?) pull
request for arm-soc containing 7 patches:
- 5 of them are for shmobile dealing with SMP setup and compile failures
- The remaining two are for regressions on the Samsung platforms
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM: SoC fixes from Olof Johansson:
"I was hoping to be done with fixes for 3.4 but we got two branches
from subarch maintainers the last couple of days. So here is one
last(?) pull request for arm-soc containing 7 patches:
- Five of them are for shmobile dealing with SMP setup and compile
failures
- The remaining two are for regressions on the Samsung platforms"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: EXYNOS: fix ctrlbit for exynos5_clk_pdma1
ARM: EXYNOS: use s5p-timer for UniversalC210 board
ARM / mach-shmobile: Invalidate caches when booting secondary cores
ARM / mach-shmobile: sh73a0 SMP TWD boot regression fix
ARM / mach-shmobile: r8a7779 SMP TWD boot regression fix
ARM: mach-shmobile: convert ag5evm to use the generic MMC GPIO hotplug helper
ARM: mach-shmobile: convert mackerel to use the generic MMC GPIO hotplug helper
An OMAP bug fix, a set of PCH bug fixes, and one patch to fix up compile
warnings
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull a few more GPIO bug fixes from Grant Likely:
"Oops, missed a couple. Here's an updated pull req for GPIO"
A set of PCH bug fixes, and one patch to fix up compile warnings
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6:
gpio/exynos: Fix compiler warnings when non-exynos machines are selected
gpio: pch9: Use proper flow type handlers
* 'v3.4-samsung-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: fix ctrlbit for exynos5_clk_pdma1
ARM: EXYNOS: use s5p-timer for UniversalC210 board
Commit 069d4e743 ("ARM: EXYNOS4: Remove clock event timers using
ARM private timers") removed support for local timers and forced
to use MCT as event source. However MCT is not operating properly
on early revision of EXYNOS4 SoCs. All UniversalC210 boards are
based on it, so that commit broke support for it. This patch
provides a workaround that enables UniversalC210 boards to boot
again. s5p-timer is used as an event source, it works only for
non-SMP builds.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
By Guennadi Liakhovetski (2) and others via Rafael J. Wysocki:
"[...] urgent fixes for Renesas ARM-based platforms. Four of these
commits are fixes of regressions new in 3.4-rc and the last one is
necessary for SMP to work on those systems in general."
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/renesas:
ARM / mach-shmobile: Invalidate caches when booting secondary cores
ARM / mach-shmobile: sh73a0 SMP TWD boot regression fix
ARM / mach-shmobile: r8a7779 SMP TWD boot regression fix
ARM: mach-shmobile: convert ag5evm to use the generic MMC GPIO hotplug helper
ARM: mach-shmobile: convert mackerel to use the generic MMC GPIO hotplug helper
And we can certainly get rid of the const function attributes, there
is no way that's needed any longer and no other arch uses this kind
of annotation here.
Signed-off-by: David S. Miller <davem@davemloft.net>
It is commented out using #ifdef 0 / #endif,
and has been so for a long time.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds new initialization functions and device support
for i210 and i211 devices.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
82580 and later parts did not have low power setting functions. This patch
adds the specific functions, pointers and assignments for these low
power settings.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Make sure L1 caches are invalidated when booting secondary
cores. Needed to boot all mach-shmobile SMP systems that
are using Cortex-A9 including sh73a0, r8a7779 and EMEV2.
Thanks to imx and tegra guys for actual code.
Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Fix SMP TWD boot regression on sh73a0 based platforms caused by:
4200b16 ARM: shmobile: convert to twd_local_timer_register() interface
After the merge of the above commit it has been impossible to boot
sh73a0 based SoCs with SMP enabled and CONFIG_HAVE_ARM_TWD=y. The
kernel crashes at smp_init_cpus() timing which is before the console
has been initialized, so to the user this looks like a kernel lock up
without any particular error message.
This patch fixes the regression on sh73a0 by moving the TWD
registration code from smp_init_cpus() to sys_timer->init() time.
This patch removed shmobile_twd_init() which is no longer needed
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Fix SMP TWD boot regression on r8a7779 based platforms caused by:
4200b16 ARM: shmobile: convert to twd_local_timer_register() interface
After the merge of the above commit it has been impossible to boot
r8a7779 based SoCs with SMP enabled and CONFIG_HAVE_ARM_TWD=y. The
kernel crashes at smp_init_cpus() timing which is before the console
has been initialized, so to the user this looks like a kernel lock up
without any particular error message.
This patch fixes the regression on r8a7779 by moving the TWD
registration code from smp_init_cpus() to sys_timer->init() time.
Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This also fixes the following modular mmc build failure:
arch/arm/mach-shmobile/built-in.o: In function `mackerel_sdhi0_gpio_cd':
pfc-sh7372.c:(.text+0x1138): undefined reference to `mmc_detect_change'
on this platform by eliminating the use of an inline function, which
calls into the mmc core.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This also fixes the following modular mmc build failure:
arch/arm/mach-shmobile/built-in.o: In function `ag5evm_sdhi0_gpio_cd':
pfc-sh73a0.c:(.text+0x7c0): undefined reference to `mmc_detect_change'
on this platform by eliminating the use of an inline function, which
calls into the mmc core.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of minor qla and virto fixes plus one major regression
fix (oops in all legacy host drivers)."
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] virtio_scsi: fix TMF use-after-free
[SCSI] fix oops in all legacy host adapters caused by 6f381fa
[SCSI] qla2xxx: Update version number to 8.04.00.03-k.
[SCSI] qla2xxx: Properly check for current state after the fabric-login request.
[SCSI] qla2xxx: Proper completion to scsi-ml for scsi status task_set_full and busy.
[SCSI] qla2xxx: Block flash access from application when device is initialized for ISP82xx.
[SCSI] qla2xxx: Fix reset time out as qla2xxx not ack to reset request.
Pull networking fixes from David S. Miller:
1) Since we do RCU lookups on ipv4 FIB entries, we have to test if the
entry is dead before returning it to our caller.
2) openvswitch locking and packet validation fixes from Ansis Atteka,
Jesse Gross, and Pravin B Shelar.
3) Fix PM resume locking in IGB driver, from Benjamin Poirier.
4) Fix VLAN header handling in vhost-net and macvtap, from Basil Gor.
5) Revert a bogus network namespace isolation change that was causing
regressions on S390 networking devices.
6) If bonding decides to process and handle a LACPDU frame, we
shouldn't bump the rx_dropped counter. From Jiri Bohac.
7) Fix mis-calculation of available TX space in r8169 driver when doing
TSO, which can lead to crashes and/or hung device. From Julien
Ducourthial.
8) SCTP does not validate cached routes properly in all cases, from
Nicolas Dichtel.
9) Link status interrupt needs to be handled in ks8851 driver, from
Stephen Boyd.
10) Use capable(), not cap_raised(), in connector/userns netlink code.
From Eric W. Biederman via Andrew Morton.
11) Fix pktgen OOPS on module unload, from Eric Dumazet.
12) iwlwifi under-estimates SKB truesizes, also from Eric Dumazet.
13) Cure division by zero in SFC driver, from Ben Hutchings.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
ks8851: Update link status during link change interrupt
macvtap: restore vlan header on user read
vhost-net: fix handle_rx buffer size
bonding: don't increase rx_dropped after processing LACPDUs
connector/userns: replace netlink uses of cap_raised() with capable()
sctp: check cached dst before using it
pktgen: fix crash at module unload
Revert "net: maintain namespace isolation between vlan and real device"
ehea: fix losing of NEQ events when one event occurred early
igb: fix rtnl race in PM resume path
ipv4: Do not use dead fib_info entries.
r8169: fix unsigned int wraparound with TSO
sfc: Fix division by zero when using one RX channel and no SR-IOV
openvswitch: Validation of IPv6 set port action uses IPv4 header
net: compare_ether_addr[_64bits]() has no ordering
cdc_ether: Ignore bogus union descriptor for RNDIS devices
bnx2x: bug fix when loading after SAN boot
e1000: Silence sparse warnings by correcting type
igb, ixgbe: netdev_tx_reset_queue incorrectly called from tx init path
openvswitch: Release rtnl_lock if ovs_vport_cmd_build_info() failed.
...
Fix a couple of serious memory leaks in device-mapper thin provisioning
and tidy its MODULE_DESCRIPTION.
Mitigate occasional reported hangs associated with multipath scsi_dh
module loading.
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Merge tag 'dm-3.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
Pull device-mapper fixes from Alasdair G Kergon:
"Fix a couple of serious memory leaks in device-mapper thin
provisioning and tidy its MODULE_DESCRIPTION.
Mitigate occasional reported hangs associated with multipath scsi_dh
module loading."
* tag 'dm-3.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm:
dm mpath: check if scsi_dh module already loaded before trying to load
dm thin: correct module description
dm thin: fix unprotected use of prepared_discards list
dm thin: reinstate missing mempool_free in cell_release_singleton
Since cpufreq has no official maintainer at the moment, I'm willing
to maintain it along some other power management core code I've been
maintaining already.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
