[PATCH] DMA: PL330: return ENOMEM instead of 0 from pl330_alloc_chan_resources

Sun, 16 Sep 2012 21:28:05 -0700 

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.si...@linaro.org>
---
 drivers/dma/pl330.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index e4feba6..14d881c 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2393,7 +2393,7 @@ 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);
-- 
1.7.9.5

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