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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-10-21 19:58:30 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-31 10:03:02 -0700 |
| commit | 7e8cec32110be45739569e04f35d83d47064dd86 (patch) | |
| tree | 073ee0fb99f3e1e42d1ba0ad499865624be2385e /drivers | |
| parent | 73cb40932358f82d55117a70a0d38026923e823f (diff) | |
| download | linux-3.10-7e8cec32110be45739569e04f35d83d47064dd86.tar.gz linux-3.10-7e8cec32110be45739569e04f35d83d47064dd86.tar.bz2 linux-3.10-7e8cec32110be45739569e04f35d83d47064dd86.zip | |
dmaengine: imx-dma: fix missing unlock on error in imxdma_xfer_desc()
commit 720dfd250e48a8c7fd1b2b8645955413989c4ee0 upstream.
Add the missing unlock on the error handling path in function
imxdma_xfer_desc().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/imx-dma.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index bb787d8e152..180f5235acc 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -473,8 +473,10 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) slot = i; break; } - if (slot < 0) + if (slot < 0) { + spin_unlock_irqrestore(&imxdma->lock, flags); return -EBUSY; + } imxdma->slots_2d[slot].xsr = d->x; imxdma->slots_2d[slot].ysr = d->y; |