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[xburst] sound jz4740_pcm: Set dma channel to NULL after it has been freed,
[openwrt-10.03/.git]
/
target
/
linux
/
xburst
/
files-2.6.32
/
sound
/
soc
/
jz4740
/
jz4740-pcm.c
diff --git
a/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c
b/target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c
index 4a4de195a879e7bb3d592ea8066a074b530ca60e..3ccc652a0b8ed5a54a9ad9b33c6a86b1d7a55dee 100644
(file)
--- a/
target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c
+++ b/
target/linux/xburst/files-2.6.32/sound/soc/jz4740/jz4740-pcm.c
@@
-136,8
+136,10
@@
static int jz4740_pcm_hw_free(struct snd_pcm_substream *substream)
struct jz4740_runtime_data *prtd = substream->runtime->private_data;
snd_pcm_set_runtime_buffer(substream, NULL);
- if (prtd->dma)
+ if (prtd->dma)
{
jz4740_dma_free(prtd->dma);
+ prtd->dma = NULL;
+ }
return 0;
}