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
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appletalk	net: deprecate eth_change_mtu, remove usage	2016-10-13 09:36:57 -04:00
arcnet
bonding	net: bonding: Flip to the new dev walk API	2016-10-18 11:44:58 -04:00
caif
can
cris	net: deprecate eth_change_mtu, remove usage	2016-10-13 09:36:57 -04:00
dsa	net: dsa: mv88e6xxx: use setup_timer to simplify the code	2016-10-26 17:21:59 -04:00
ethernet	net: netcp: add missing of_node_put() in netcp_probe()	2016-10-26 17:21:59 -04:00
fddi	net: use core MTU range checking in misc drivers	2016-10-20 14:51:10 -04:00
fjes	net: use core MTU range checking in misc drivers	2016-10-20 14:51:10 -04:00
hamradio
hippi	net: use core MTU range checking in misc drivers	2016-10-20 14:51:10 -04:00
hyperv	hv_netvsc: fix a race between netvsc_send() and netvsc_init_buf()	2016-10-21 11:27:31 -04:00
ieee802154
ipvlan	ipvlan: constify l3mdev_ops structure	2016-10-15 17:49:57 -04:00
irda
phy	net: phy: broadcom: Add support for BCM54612E	2016-10-26 17:15:26 -04:00
plip	net: deprecate eth_change_mtu, remove usage	2016-10-13 09:36:57 -04:00
ppp
slip	net: use core MTU range checking in misc drivers	2016-10-20 14:51:10 -04:00
team
usb	net: use core MTU range checking in USB NIC drivers	2016-10-20 14:51:08 -04:00
vmxnet3	net: use core MTU range checking in virt drivers	2016-10-20 14:51:09 -04:00
wan	net: use core MTU range checking in WAN drivers	2016-10-20 14:51:09 -04:00
wimax	net: use core MTU range checking in wireless drivers	2016-10-20 14:51:08 -04:00
wireless	ath9k: fix NULL pointer dereference	2016-11-23 15:59:38 +02:00
xen-netback	net: use core MTU range checking in virt drivers	2016-10-20 14:51:09 -04:00
dummy.c
eql.c
geneve.c	net: use core MTU range checking in core net infra	2016-10-20 14:51:09 -04:00
gtp.c
ifb.c
Kconfig
LICENSE.SRC
loopback.c
macsec.c	net: use core MTU range checking in core net infra	2016-10-20 14:51:09 -04:00
macvlan.c	net: use core MTU range checking in core net infra	2016-10-20 14:51:09 -04:00
macvtap.c
Makefile
mdio.c
mii.c
netconsole.c
nlmon.c
ntb_netdev.c	net: use core MTU range checking in core net infra	2016-10-20 14:51:09 -04:00
rionet.c	net: use core MTU range checking in misc drivers	2016-10-20 14:51:10 -04:00
sb1000.c	net: deprecate eth_change_mtu, remove usage	2016-10-13 09:36:57 -04:00
Space.c
sungem_phy.c
tun.c	net: use core MTU range checking in core net infra	2016-10-20 14:51:09 -04:00
veth.c	net: use core MTU range checking in core net infra	2016-10-20 14:51:09 -04:00
virtio_net.c	net: use core MTU range checking in virt drivers	2016-10-20 14:51:09 -04:00
vrf.c
vxlan.c	net: use core MTU range checking in core net infra	2016-10-20 14:51:09 -04:00
xen-netfront.c	net: use core MTU range checking in virt drivers	2016-10-20 14:51:09 -04:00