From: Liam Girdwood <lrg@ti.com>
Date: Mon, 30 Apr 2012 10:05:30 +0000 (+0100)
Subject: ASoC: core: Fix dai_link dereference.
X-Git-Tag: v3.5-rc1~13^2~9^2~54
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cd0f8911c5d0cc04763f87cf118c66b867e2e6d2;p=profile%2Fivi%2Fkernel-x86-ivi.git

ASoC: core: Fix dai_link dereference.

We should check dailess before dereferencing.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 4d88698..a61671b 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1218,7 +1218,7 @@ static int soc_post_component_init(struct snd_soc_card *card,
 
 #ifdef CONFIG_DEBUG_FS
 	/* add DPCM sysfs entries */
-	if (!dai_link->dynamic)
+	if (!dailess && !dai_link->dynamic)
 		goto out;
 
 	ret = soc_dpcm_debugfs_add(rtd);