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ALSA: ac97 - Fix missing NULL check in snd_ac97_cvol_new()
author
Takashi Iwai
<tiwai@suse.de>
Thu, 11 Oct 2012 14:43:40 +0000
(16:43 +0200)
committer
Takashi Iwai
<tiwai@suse.de>
Mon, 15 Oct 2012 07:55:48 +0000
(09:55 +0200)
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=44721
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/ac97/ac97_codec.c
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diff --git
a/sound/pci/ac97/ac97_codec.c
b/sound/pci/ac97/ac97_codec.c
index
9473fca
..
8b0f996
100644
(file)
--- 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