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| author | Inderpal Singh <inderpal.singh@linaro.org> | 2012-09-17 09:57:45 +0530 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-09-18 09:01:39 +0530 |
| commit | 027478851791df751176398be02a3b1c5f6aa824 (patch) | |
| tree | da2936fdca048ac352e8311fa45edbc6d809d777 /drivers/dma/pl330.c | |
| parent | 7c71b8eb268ee38235f7e924d943ea9d90e59469 (diff) | |
| download | linux-stable-027478851791df751176398be02a3b1c5f6aa824.tar.gz linux-stable-027478851791df751176398be02a3b1c5f6aa824.tar.bz2 linux-stable-027478851791df751176398be02a3b1c5f6aa824.zip | |
DMA: PL330: return ENOMEM instead of 0 from pl330_alloc_chan_resources
Since 0 is not considered as error at dmaengine level, return ENOMEM
from pl330_alloc_chan_resources in case of failure.
Signed-off-by: Inderpal Singh <inderpal.singh@linaro.org>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/pl330.c')
| -rw-r--r-- | drivers/dma/pl330.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 7e543698fa23..28322dced886 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2390,7 +2390,7 @@ static int pl330_alloc_chan_resources(struct dma_chan *chan) pch->pl330_chid = pl330_request_channel(&pdmac->pif); if (!pch->pl330_chid) { spin_unlock_irqrestore(&pch->lock, flags); - return 0; + return -ENOMEM; } tasklet_init(&pch->task, pl330_tasklet, (unsigned long) pch); |