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authorInderpal Singh <inderpal.singh@linaro.org>2012-09-17 08:27:45 +0400
committerVinod Koul <vinod.koul@linux.intel.com>2012-09-18 07:31:39 +0400
commit027478851791df751176398be02a3b1c5f6aa824 (patch)
treeda2936fdca048ac352e8311fa45edbc6d809d777 /drivers/dma
parent7c71b8eb268ee38235f7e924d943ea9d90e59469 (diff)
downloadlinux-027478851791df751176398be02a3b1c5f6aa824.tar.xz
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')
-rw-r--r--drivers/dma/pl330.c2
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);