Commit 02747885 authored Sep 17, 2012 by Inderpal Singh Committed by Vinod Koul Sep 18, 2012

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>

parent 7c71b8eb

drivers/dma/pl330.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);