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Message-Id: <20121028231608.981114433@decadent.org.uk>
Date: Sun, 28 Oct 2012 23:17:19 +0000
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
Takashi Iwai <tiwai@...e.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [ 103/105] ALSA: ac97 - Fix missing NULL check in snd_ac97_cvol_new()
3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Takashi Iwai <tiwai@...e.de>
commit 733a48e5ae5bf28b046fad984d458c747cbb8c21 upstream.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=44721
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
sound/pci/ac97/ac97_codec.c | 2 ++
1 file changed, 2 insertions(+)
--- 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_
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
--
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