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[PATCH V03 1/5] dmaengine: core: Skip mask matching when it is not provided to private_candidate

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

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
---
 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;
 	}
-- 
2.6.4

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[PATCH V03 0/5] dmaengine: New 'universal' API for requesting channel Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-14 21:50 +0100
  [PATCH V03 5/5] dmaengine: omap-dma: Add support for DMA filter mapping to slave devices Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-14 21:50 +0100
  [PATCH V03 3/5] dmaengine: core: Introduce new, universal API to request a channel Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-14 21:50 +0100
  [PATCH V03 4/5] dmaengine: edma: Add support for DMA filter mapping to slave devices Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-14 21:50 +0100
  [PATCH V03 1/5] dmaengine: core: Skip mask matching when it is not provided to private_candidate Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-14 21:50 +0100
  [PATCH V03 2/5] dmaengine: core: Move and merge the code paths using private_candidate Peter Ujfalusi <peter.ujfalusi@ti.com> - 2015-12-14 21:50 +0100
  Re: [PATCH V03 0/5] dmaengine: New 'universal' API for requesting  channel Vinod Koul <vinod.koul@intel.com> - 2015-12-18 06:50 +0100

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