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| author | Takashi Iwai <tiwai@suse.de> | 2012-10-11 16:43:40 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-21 09:28:02 -0700 |
| commit | e503f73ae9607b0d4854a40a2f437cfbee529fa3 (patch) | |
| tree | 12244ee8ab60790b4a2553ec0e6a0077ae99a15d | |
| parent | 60dd77abe18a5a3eb21c4041f6ea02b45c421cc5 (diff) | |
| download | lwn-e503f73ae9607b0d4854a40a2f437cfbee529fa3.tar.gz lwn-e503f73ae9607b0d4854a40a2f437cfbee529fa3.zip | |
ALSA: ac97 - Fix missing NULL check in snd_ac97_cvol_new()
commit 733a48e5ae5bf28b046fad984d458c747cbb8c21 upstream.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=44721
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | sound/pci/ac97/ac97_codec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 9473fca9681d..8b0f99688303 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -1271,6 +1271,8 @@ static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigne tmp.index = ac97->num; kctl = snd_ctl_new1(&tmp, ac97); } + if (!kctl) + return -ENOMEM; if (reg >= AC97_PHONE && reg <= AC97_PCM) set_tlv_db_scale(kctl, db_scale_5bit_12db_max); else |