Messages in this thread | | | Date | Mon, 17 Sep 2012 11:17:28 +0530 | Subject | Re: [PATCH] DMA: PL330: return ENOMEM instead of 0 from pl330_alloc_chan_resources | From | Jassi Brar <> |
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On Mon, Sep 17, 2012 at 9:57 AM, Inderpal Singh <inderpal.singh@linaro.org> wrote: > 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>
> --- > 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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