From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 6 Nov 2008 23:23:30 +0000 (+0100)
Subject: ALSA: hda - Add missing NULL check in amp hash allocation
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=c217429b14708999d6ac5de964c452600e8797d3;p=deliverable%2Flinux.git

ALSA: hda - Add missing NULL check in amp hash allocation

Added the missing NULL check from allocator in get_alloc_hash().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 810465bac550..f13834ba6b1d 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -899,6 +899,8 @@ static struct hda_cache_head  *get_alloc_hash(struct hda_cache_rec *cache,
 
 	/* add a new hash entry */
 	info = snd_array_new(&cache->buf);
+	if (!info)
+		return NULL;
 	info->key = key;
 	info->val = 0;
 	info->next = cache->hash[idx];