[media] m5602_s5k83a: check return value of kthread_create
authorPan Bian <bianpan2016@163.com>
Sun, 23 Apr 2017 09:26:45 +0000 (06:26 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Tue, 6 Jun 2017 10:28:36 +0000 (07:28 -0300)
commit13174c388a76005c1abe454e47a37cd57edd8c8d
treebc00553242f1e97190bc4627c93596e45f2152a9
parentd90b336f3f652ff0441e631a06236f785581c8f7
[media] m5602_s5k83a: check return value of kthread_create

Function kthread_create() returns an ERR_PTR on error. However, in
function s5k83a_start(), its return value is used without validation.
This may result in a bad memory access bug. This patch fixes the bug.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/usb/gspca/m5602/m5602_s5k83a.c