[PATCH] dma: remove unnecessary null pointer check in mmp_pdma.c

[Cong Ding]

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@xxxxxxxxx>
---
 drivers/dma/mmp_pdma.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index c6d98c0..81d7b89 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:
-- 
1.7.10.4

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