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authorDavid Henningsson <david.henningsson@canonical.com>2012-04-10 13:05:29 +0200
committerTakashi Iwai <tiwai@suse.de>2012-04-10 14:55:01 +0200
commit83b0c6ba999643ee8ad6329f26e1cdc870e1a920 (patch)
treef1b501a536c74d018987a4915689c2ef0dd3cd59 /sound/pci/hda/patch_conexant.c
parent5ff5c3a4ab0d638fa63e939e75727c233b681e8d (diff)
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 <dan.carpenter@oracle.com> Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/patch_conexant.c')
-rw-r--r--sound/pci/hda/patch_conexant.c4
1 files changed, 3 insertions, 1 deletions
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]);