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| author | David Henningsson <david.henningsson@canonical.com> | 2012-04-10 13:05:29 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-04-10 14:55:01 +0200 |
| commit | 83b0c6ba999643ee8ad6329f26e1cdc870e1a920 (patch) | |
| tree | f1b501a536c74d018987a4915689c2ef0dd3cd59 | |
| parent | Merge branch 'fix/hda' into topic/hda (diff) | |
| download | linux-83b0c6ba999643ee8ad6329f26e1cdc870e1a920.tar.xz linux-83b0c6ba999643ee8ad6329f26e1cdc870e1a920.zip | |
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>
| -rw-r--r-- | sound/pci/hda/patch_conexant.c | 4 |
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]); |