From 83b0c6ba999643ee8ad6329f26e1cdc870e1a920 Mon Sep 17 00:00:00 2001 From: David Henningsson Date: Tue, 10 Apr 2012 13:05:29 +0200 Subject: ALSA: hda - Fix oops caused by recent commit "Fix internal mic for Lenovo Ideapad U300s" Make sure we don't dereference the "quirk" pointer when it is null. Reported-by: Dan Carpenter Signed-off-by: David Henningsson Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_conexant.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'sound/pci') diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index cbe115b6c80c..abb59f472d48 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -4441,7 +4441,9 @@ static void apply_fixup(struct hda_codec *codec, struct conexant_spec *spec = codec->spec; quirk = snd_pci_quirk_lookup(codec->bus->pci, quirk); - if (quirk && table[quirk->value]) { + if (!quirk) + return; + if (table[quirk->value]) { snd_printdd(KERN_INFO "hda_codec: applying pincfg for %s\n", quirk->name); apply_pincfg(codec, table[quirk->value]); -- cgit v1.2.1