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| author | David S. Miller <davem@davemloft.net> | 2010-10-21 17:43:05 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-21 17:43:05 +0200 |
| commit | 2198a10b501fd4443430cb17e065a9e859cc58c9 (patch) | |
| tree | 87f3781d293da0f8f8f61615905eb7bf62b7c128 /drivers/media/video/videobuf-dma-contig.c | |
| parent | Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/... (diff) | |
| parent | Revert d88dca79d3852a3623f606f781e013d61486828a (diff) | |
| download | linux-2198a10b501fd4443430cb17e065a9e859cc58c9.tar.xz linux-2198a10b501fd4443430cb17e065a9e859cc58c9.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/core/dev.c
Diffstat (limited to 'drivers/media/video/videobuf-dma-contig.c')
| -rw-r--r-- | drivers/media/video/videobuf-dma-contig.c | 6 |
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); |