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(parent: 6d16941) | patch
ALSA: Allow pass NULL dev for snd_pci_quirk_lookup()
authorTakashi Iwai <tiwai@suse.de>
Wed, 8 Oct 2014 10:08:38 +0000 (12:08 +0200)
committerTakashi Iwai <tiwai@suse.de>
Wed, 8 Oct 2014 10:08:38 +0000 (12:08 +0200)
commite5b50ada76f44c8742a123813689bff4db062a5a
tree44749468fa4996afa2cf33337be62f71ea447df8tree | snapshot (tar.gz zip)
parent6d16941aee6eb468c5a5cc78ecbaf840f3e16df5commit | diff
ALSA: Allow pass NULL dev for snd_pci_quirk_lookup()

Add a NULL check in snd_pci_quirk_lookup() so that NULL can be passed
as a pci_dev pointer.  This fixes the possible NULL dereferences in
HD-audio drivers.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/misc.c diff | blob | blame | history