[RFC v03 01/15] dmaengine: core: Skip mask matching when it is not provided to private_candidate

From: Peter Ujfalusi
Date: Wed Dec 02 2015 - 09:07:00 EST


If mask is NULL skip the mask matching against the DMA device capabilities.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
drivers/dma/dmaengine.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index daf54a39bcc7..6311e1fc80be 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -515,7 +515,7 @@ static struct dma_chan *private_candidate(const dma_cap_mask_t *mask,
{
struct dma_chan *chan;

- if (!__dma_device_satisfies_mask(dev, mask)) {
+ if (mask && !__dma_device_satisfies_mask(dev, mask)) {
pr_debug("%s: wrong capabilities\n", __func__);
return NULL;
}
--
2.6.3

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