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ALSA: hda - make sure alc268 does not OOPS on codec parse

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A recent commit made patch_alc268 call snd_hda_pick_fixup with
NULL quirk pointer. Make sure we do not reference that NULL pointer.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
David Henningsson 2012-07-18 18:02:53 +02:00 committed by Takashi Iwai
parent f0913cd16e
commit 639aa4bd58
1 changed files with 2 additions and 2 deletions
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4
sound/pci/hda/hda_auto_parser.c
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@ -727,7 +727,7 @@ void snd_hda_pick_fixup(struct hda_codec *codec,
models++;
}
}
if (id < 0) {
if (id < 0 && quirk) {
q = snd_pci_quirk_lookup(codec->bus->pci, quirk);
if (q) {
id = q->value;
@ -736,7 +736,7 @@ void snd_hda_pick_fixup(struct hda_codec *codec,
#endif
}
}
if (id < 0) {
if (id < 0 && quirk) {
for (q = quirk; q->subvendor; q++) {
unsigned int vendorid =
q->subdevice | (q->subvendor << 16);