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authorDaniel Mack <daniel@caiaq.de>2009-07-08 19:24:26 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-07-09 10:36:19 +0100
commitb7d4de7ff03085fda8310b2983b907166dd40f43 (patch)
tree2bc8e6ed52465b9f93f5069b7812867dca86b79e /sound/arm
parent637a935aaba2f05e2178c9d1b714d7a2c36c8b44 (diff)
downloadlinux-linaro-precise-b7d4de7ff03085fda8310b2983b907166dd40f43.tar.gz
ASoC: Fix NULL pointer dereference in __pxa2xx_pcm_hw_free
Check for rtd->params->drcmr != NULL before accessing it. Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/arm')
-rw-r--r--sound/arm/pxa2xx-pcm-lib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index 108b643229b..6205f37d547 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -75,7 +75,7 @@ int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
{
struct pxa2xx_runtime_data *rtd = substream->runtime->private_data;
- if (rtd && rtd->params)
+ if (rtd && rtd->params && rtd->params->drcmr)
*rtd->params->drcmr = 0;
snd_pcm_set_runtime_buffer(substream, NULL);