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DMA: PL330: return ENOMEM instead of 0 from pl330_alloc_chan_resources

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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>
This commit is contained in:
Inderpal Singh 2012-09-17 09:57:45 +05:30 committed by Vinod Koul
parent 7c71b8eb26
commit 0274788517
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/pl330.c
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@ -2390,7 +2390,7 @@ static int pl330_alloc_chan_resources(struct dma_chan *chan)
pch->pl330_chid = pl330_request_channel(&pdmac->pif); pch->pl330_chid = pl330_request_channel(&pdmac->pif);
if (!pch->pl330_chid) { if (!pch->pl330_chid) {
spin_unlock_irqrestore(&pch->lock, flags); spin_unlock_irqrestore(&pch->lock, flags);
return 0; return -ENOMEM;
} }
tasklet_init(&pch->task, pl330_tasklet, (unsigned long) pch); tasklet_init(&pch->task, pl330_tasklet, (unsigned long) pch);