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Ido Schimmel 5edb7e8bd5 mlxsw: spectrum_nve: Fix memory leak upon driver reload 
The pointer was NULLed before freeing the memory, resulting in a memory
leak. Trace from kmemleak:

unreferenced object 0xffff88820ae36528 (size 512):
  comm "devlink", pid 5374, jiffies 4295354033 (age 10829.296s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000a43f5195>] kmem_cache_alloc_trace+0x1be/0x330
    [<00000000312f8140>] mlxsw_sp_nve_init+0xcb/0x1ae0
    [<0000000009201d22>] mlxsw_sp_init+0x1382/0x2690
    [<000000007227d877>] mlxsw_sp1_init+0x1b5/0x260
    [<000000004a16feec>] __mlxsw_core_bus_device_register+0x776/0x1360
    [<0000000070ab954c>] mlxsw_devlink_core_bus_device_reload+0x129/0x220
    [<00000000432313d5>] devlink_nl_cmd_reload+0x119/0x1e0
    [<000000003821a06b>] genl_family_rcv_msg+0x813/0x1150
    [<00000000d54d04c0>] genl_rcv_msg+0xd1/0x180
    [<0000000040543d12>] netlink_rcv_skb+0x152/0x3c0
    [<00000000efc4eae8>] genl_rcv+0x2d/0x40
    [<00000000ea645603>] netlink_unicast+0x52f/0x740
    [<00000000641fca1a>] netlink_sendmsg+0x9c7/0xf50
    [<00000000fed4a4b8>] sock_sendmsg+0xbe/0x120
    [<00000000d85795a9>] __sys_sendto+0x397/0x620
    [<00000000c5f84622>] __x64_sys_sendto+0xe6/0x1a0

Fixes: 6e6030bd54 ("mlxsw: spectrum_nve: Implement common NVE core")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-18 09:17:39 -08:00
..
appletalk
arcnet mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
bonding bonding: fix 802.3ad state sent to partner when unbinding slave 2018-11-30 13:21:04 -08:00
caif
can can: flexcan: use can_rx_offload_queue_sorted() for flexcan_irq_bus_*() 2018-11-09 17:33:33 +01:00
dsa net: dsa: mv88e6xxx: set ethtool regs version 2018-12-17 23:29:00 -08:00
ethernet mlxsw: spectrum_nve: Fix memory leak upon driver reload 2018-12-18 09:17:39 -08:00
fddi FDDI: defza: Make the driver version string constant 2018-11-07 21:53:31 -08:00
fjes
hamradio Merge branch 'work.tty-ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-10-24 14:43:41 +01:00
hippi
hyperv hv_netvsc: fix vf serial matching with pci slot info 2018-10-15 22:58:11 -07:00
ieee802154 ieee802154: ca8210: fix possible u8 overflow in ca8210_rx_done 2018-12-11 09:33:11 +01:00
ipvlan
netdevsim bpf: add verifier callback to get stack usage info for offloaded progs 2018-10-08 10:24:12 +02:00
phy phy: Revert toggling reset changes. 2018-12-04 08:47:44 -08:00
plip
ppp Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-10-25 16:43:35 -07:00
slip change semantics of ldisc ->compat_ioctl() 2018-10-13 00:50:53 -04:00
team team: no need to do team_notify_peers or team_mcast_rejoin when disabling port 2018-11-23 17:18:15 -08:00
usb qmi_wwan: Added support for Telit LN940 series 2018-12-15 11:46:43 -08:00
vmxnet3
wan Merge branch 'work.tty-ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-10-24 14:43:41 +01:00
wimax
wireless As it's been a while, we have various fixes for 2018-12-05 11:46:06 -08:00
xen-netback
dummy.c
eql.c
geneve.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-19 11:03:06 -07:00
gtp.c
ifb.c
Kconfig
LICENSE.SRC
loopback.c net: loopback: clear skb->tstamp before netif_rx() 2018-10-20 01:01:28 -07:00
macsec.c macsec: let the administrator set UP state even if lowerdev is down 2018-10-28 19:26:42 -07:00
macvlan.c macvlan: return correct error value 2018-12-03 16:02:43 -08:00
macvtap.c
Makefile
mdio.c
mii.c
net_failover.c
netconsole.c
nlmon.c
ntb_netdev.c ntb_netdev: Simplify remove with client device drvdata 2018-10-31 21:20:05 -04:00
rionet.c rapidio/rionet: do not free skb before reading its length 2018-11-28 10:38:48 -08:00
sb1000.c
Space.c
sungem_phy.c
tap.c
thunderbolt.c
tun.c tun: remove skb access after netif_receive_skb 2018-12-03 14:10:27 -08:00
veth.c veth: Add ethtool statistics support for XDP 2018-10-15 21:58:46 -07:00
virtio_net.c virtio-net: keep vnet header zeroed after processing XDP 2018-11-30 17:25:03 -08:00
vrf.c
vsockmon.c
vxlan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-19 11:03:06 -07:00
xen-netfront.c