From 696b4ff8b2e6fd3f01c9acf6687ec4660143b614 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Tue, 6 Aug 2013 19:37:56 +0900 Subject: [PATCH] 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 Signed-off-by: Vinod Koul --- drivers/dma/sirf-dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c index 716b23e4f327..973ecd05dffd 100644 --- a/drivers/dma/sirf-dma.c +++ b/drivers/dma/sirf-dma.c @@ -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); -- 2.30.2