dma: imx-dma: Remove redundant NULL check before kfree

kfree on NULL pointer is a no-op.

Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index 7d08ab7..f285833 100644 (file)
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -859,8 +859,7 @@ static struct dma_async_tx_descriptor *imxdma_prep_dma_cyclic(
 
        desc = list_first_entry(&imxdmac->ld_free, struct imxdma_desc, node);
 
-       if (imxdmac->sg_list)
-               kfree(imxdmac->sg_list);
+       kfree(imxdmac->sg_list);
 
        imxdmac->sg_list = kcalloc(periods + 1,
                        sizeof(struct scatterlist), GFP_KERNEL);