dma: imx-dma: Remove redundant NULL check

kfree on a NULL pointer is a no-op. Null pointer check is
not necessary.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index ff2aab973b45dd1594fc5445380627589a1791c8..78f8ca5fccee91e7a422c419df4ee0ab427d4ad4 100644 (file)
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -805,10 +805,8 @@ static void imxdma_free_chan_resources(struct dma_chan *chan)
        }
        INIT_LIST_HEAD(&imxdmac->ld_free);
 
-       if (imxdmac->sg_list) {
-               kfree(imxdmac->sg_list);
-               imxdmac->sg_list = NULL;
-       }
+       kfree(imxdmac->sg_list);
+       imxdmac->sg_list = NULL;
 }
 
 static struct dma_async_tx_descriptor *imxdma_prep_slave_sg(