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authorTakashi Iwai <tiwai@suse.de>2014-10-08 10:08:38 (GMT)
committerTakashi Iwai <tiwai@suse.de>2014-10-08 10:08:38 (GMT)
commite5b50ada76f44c8742a123813689bff4db062a5a (patch)
tree44749468fa4996afa2cf33337be62f71ea447df8 /sound/pci/hda
parent6d16941aee6eb468c5a5cc78ecbaf840f3e16df5 (diff)
downloadlinux-e5b50ada76f44c8742a123813689bff4db062a5a.tar.xz
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>
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