ALSA: usb-audio: Fix races at disconnection in mixer_quirks.c
authorTakashi Iwai <tiwai@suse.de>
Mon, 15 Oct 2012 10:40:37 +0000 (12:40 +0200)
committerBen Hutchings <ben@decadent.org.uk>
Fri, 16 Nov 2012 16:46:49 +0000 (16:46 +0000)
commitf6415ce55f2430e38f674d8421511e489b2c71b0
tree9b58e8d27fab3a735f4eb2c5b6872c31eb69d489
parent49b950b1fb8fe2f629b2e362d8461709d18cd27c
ALSA: usb-audio: Fix races at disconnection in mixer_quirks.c

commit 888ea7d5ac6815ba16b3b3a20f665a92c7af6724 upstream.

Similar like the previous commit, cover with chip->shutdown_rwsem
and chip->shutdown checks.

Reported-by: Matthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
sound/usb/mixer_quirks.c