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authorDaniel Mack <daniel@caiaq.de>2009-07-08 13:24:26 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-07-09 05:36:19 -0400
commitb7d4de7ff03085fda8310b2983b907166dd40f43 (patch)
tree2bc8e6ed52465b9f93f5069b7812867dca86b79e /sound/arm
parent637a935aaba2f05e2178c9d1b714d7a2c36c8b44 (diff)
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 108b643229ba..6205f37d547c 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)
75{ 75{
76 struct pxa2xx_runtime_data *rtd = substream->runtime->private_data; 76 struct pxa2xx_runtime_data *rtd = substream->runtime->private_data;
77 77
78 if (rtd && rtd->params) 78 if (rtd && rtd->params && rtd->params->drcmr)
79 *rtd->params->drcmr = 0; 79 *rtd->params->drcmr = 0;
80 80
81 snd_pcm_set_runtime_buffer(substream, NULL); 81 snd_pcm_set_runtime_buffer(substream, NULL);