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dma: sirf: use NULL instead of 0 

sirfsoc_dma_prep_cyclic() returns pointer, thus NULL should be
used instead of 0 in order to fix the following sparse warning:

drivers/dma/sirf-dma.c:598:24: warning: Using plain integer as NULL pointer

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Jingoo Han 2013-08-06 19:37:56 +09:00 committed by Vinod Koul
parent 4c14372590
commit 696b4ff8b2
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/sirf-dma.c
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@ -595,7 +595,7 @@ sirfsoc_dma_prep_cyclic(struct dma_chan *chan, dma_addr_t addr,
spin_unlock_irqrestore(&schan->lock, iflags);
if (!sdesc)
return 0;
return NULL;
/* Place descriptor in prepared list */
spin_lock_irqsave(&schan->lock, iflags);