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authorCong Ding <dinggnu@gmail.com>2013-01-15 01:19:48 +0100
committerVinod Koul <vinod.koul@intel.com>2013-01-20 05:49:40 -0800
commited30933e6f3dbeaaab1de91e1bec25f42d5d32df (patch)
treef4953c62c1a7a5dfa0cf21ecce89d35d0a55906c /drivers/dma
parent661f7cb55c61fa7491e0caf21e55f59e5bc49abe (diff)
dma: remove unnecessary null pointer check in mmp_pdma.c
the pointer cfg is dereferenced in line 594, so it's no reason to check null again in line 620. Signed-off-by: Cong Ding <dinggnu@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/mmp_pdma.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index 13bdf4a7e1e..41ad6a62f83 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -617,10 +617,8 @@ static int mmp_pdma_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd,
else if (maxburst == 32)
chan->dcmd |= DCMD_BURST32;
- if (cfg) {
- chan->dir = cfg->direction;
- chan->drcmr = cfg->slave_id;
- }
+ chan->dir = cfg->direction;
+ chan->drcmr = cfg->slave_id;
chan->dev_addr = addr;
break;
default: