AuxXxilium/linux_dsm_epyc7002
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40bea976c7
linux_dsm_epyc7002/drivers/net/wireless/ath
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Miaoqing Pan 40bea976c7 ath9k: fix NULL pointer dereference 
relay_open() may return NULL, check the return value to avoid the crash.

BUG: unable to handle kernel NULL pointer dereference at 0000000000000040
IP: [<ffffffffa01a95c5>] ath_cmn_process_fft+0xd5/0x700 [ath9k_common]
PGD 41cf28067 PUD 41be92067 PMD 0
Oops: 0000 [#1] SMP
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.6+ #35
Hardware name: Hewlett-Packard h8-1080t/2A86, BIOS 6.15    07/04/2011
task: ffffffff81e0c4c0 task.stack: ffffffff81e00000
RIP: 0010:[<ffffffffa01a95c5>] [<ffffffffa01a95c5>] ath_cmn_process_fft+0xd5/0x700 [ath9k_common]
RSP: 0018:ffff88041f203ca0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 000000000000059f RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000040 RDI: ffffffff81f0ca98
RBP: ffff88041f203dc8 R08: ffffffffffffffff R09: 00000000000000ff
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff81f0ca98 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88041f200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000040 CR3: 000000041b6ec000 CR4: 00000000000006f0
Stack:
0000000000000363 00000000000003f3 00000000000003f3 00000000000001f9
000000000000049a 0000000001252c04 ffff88041f203e44 ffff880417b4bfd0
0000000000000008 ffff88041785b9c0 0000000000000002 ffff88041613dc60

Call Trace:
<IRQ>
[<ffffffffa01b6441>] ath9k_tasklet+0x1b1/0x220 [ath9k]
[<ffffffff8105d8dd>] tasklet_action+0x4d/0xf0
[<ffffffff8105dde2>] __do_softirq+0x92/0x2a0

Reported-by: Devin Tuchsen <devin.tuchsen@gmail.com>
Tested-by: Devin Tuchsen <devin.tuchsen@gmail.com>
Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-11-23 15:59:38 +02:00
..
ar5523 net: wireless: ath: ar5523: ar5523: don't print error when allocating urb fails 2016-08-13 14:53:40 -07:00
ath5k ath5k: fix EEPROM dumping via debugfs 2016-09-03 13:02:24 +03:00
ath6kl wireless: fix bogus maybe-uninitialized warning 2016-11-17 08:46:38 +02:00
ath9k ath9k: fix NULL pointer dereference 2016-11-23 15:59:38 +02:00
ath10k ath10k: add spectral scan support to wmi-tlv 2016-11-23 15:56:50 +02:00
carl9170 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-10-05 10:11:24 -07:00
wcn36xx wcn36xx: Silence error about unsupported smd event 188 2016-07-08 17:04:40 +03:00
wil6210 net: use core MTU range checking in wireless drivers 2016-10-20 14:51:08 -04:00
ath.h ath9k: add a helper to get the string representation of ath_bus_type 2016-11-15 16:55:37 +02:00
debug.c ath: Make ath_opmode_to_string understand OCB mode 2015-08-10 22:21:15 +03:00
dfs_pattern_detector.c ath: constify local structures 2016-09-14 20:01:39 +03:00
dfs_pattern_detector.h ath: use PRI value given by spec for fixed PRI 2015-09-27 15:50:30 +03:00
dfs_pri_detector.c ath: use PRI value given by spec for fixed PRI 2015-09-27 15:50:30 +03:00
dfs_pri_detector.h
hw.c
Kconfig ath: unify Kconfig with other vendors 2015-11-18 14:28:31 +02:00
key.c
main.c ath9k: add a helper to get the string representation of ath_bus_type 2016-11-15 16:55:37 +02:00
Makefile
reg.h
regd_common.h
regd.c ath: export alpha2 helper 2016-10-04 18:01:48 +03:00
regd.h ath: export alpha2 helper 2016-10-04 18:01:48 +03:00
spectral_common.h
trace.c
trace.h