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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-10-21 19:58:30 +0800 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-10-24 08:52:45 +0530 |
| commit | 720dfd250e48a8c7fd1b2b8645955413989c4ee0 (patch) | |
| tree | b135e9221491a034ba21905730ca2cc253e8ea7e /drivers | |
| parent | ddffeb8c4d0331609ef2581d84de4d763607bd37 (diff) | |
| download | linux-720dfd250e48a8c7fd1b2b8645955413989c4ee0.tar.gz linux-720dfd250e48a8c7fd1b2b8645955413989c4ee0.tar.bz2 linux-720dfd250e48a8c7fd1b2b8645955413989c4ee0.zip | |
dmaengine: imx-dma: fix missing unlock on error in imxdma_xfer_desc()
Add the missing unlock on the error handling path in function
imxdma_xfer_desc().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
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 f11b5b2b1a1c..7d9554cc4976 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -474,8 +474,10 @@ 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; |