[media] af9033: cancel_delayed_work_sync before device removal / kfree
authorErnst Martin Witte <emw-linux-kernel@nocabal.de>
Sat, 9 Jan 2016 20:18:46 +0000 (18:18 -0200)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Mon, 1 Feb 2016 11:40:56 +0000 (09:40 -0200)
commit4bdcaa054e1c73697b390c32c434d96836121306
tree6d0cffd6f65a3350feb3c92f856d768444bc5ce9
parent631c694f7d7e17147bcf6c7c3669c8f4dc84cc09
[media] af9033: cancel_delayed_work_sync before device removal / kfree

af9033_remove  was  calling  kfree(dev)  with  possibly  still  active
schedule_delayed_work(&dev->stat_work).   A  similar   bug  in  si2157
caused kernel panics in call_timer_fn e.g. after rmmod cx23885.

Signed-off-by: Ernst Martin Witte <emw-linux-kernel@nocabal.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/dvb-frontends/af9033.c