From 733a48e5ae5bf28b046fad984d458c747cbb8c21 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 11 Oct 2012 16:43:40 +0200 Subject: [PATCH] ALSA: ac97 - Fix missing NULL check in snd_ac97_cvol_new() Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=44721 Signed-off-by: Takashi Iwai --- sound/pci/ac97/ac97_codec.c | 2 ++ 1 file changed, 2 insertions(+) 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 -- 2.20.1