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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-11-01 13:58:18 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-11-01 13:58:18 -0400
commit6e1bd1ab1d9ab8e83cdc940df82fbf8418e2593f (patch)
treef1324a39f155375221ed88db0626f61b75c51db6 /drivers/media/video/videobuf-dma-contig.c
parentASoC: Store DC offset correction for wm_hubs devices in class W mode (diff)
parentASoC: Include cx20442 to SND_SOC_ALL_CODECS (diff)
downloadlinux-dev-6e1bd1ab1d9ab8e83cdc940df82fbf8418e2593f.tar.xz
linux-dev-6e1bd1ab1d9ab8e83cdc940df82fbf8418e2593f.zip
Merge branch 'for-2.6.37' into for-2.6.38
Diffstat (limited to 'drivers/media/video/videobuf-dma-contig.c')
-rw-r--r--drivers/media/video/videobuf-dma-contig.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/video/videobuf-dma-contig.c b/drivers/media/video/videobuf-dma-contig.c
index 372b87efcd05..6ff9e4bac3ea 100644
--- a/drivers/media/video/videobuf-dma-contig.c
+++ b/drivers/media/video/videobuf-dma-contig.c
@@ -393,8 +393,10 @@ void videobuf_dma_contig_free(struct videobuf_queue *q,
}
/* read() method */
- dma_free_coherent(q->dev, mem->size, mem->vaddr, mem->dma_handle);
- mem->vaddr = NULL;
+ if (mem->vaddr) {
+ dma_free_coherent(q->dev, mem->size, mem->vaddr, mem->dma_handle);
+ mem->vaddr = NULL;
+ }
}
EXPORT_SYMBOL_GPL(videobuf_dma_contig_free);