The memory return by kzalloc() has already be set to zero, so remove useless memset(0). Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> --- drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c index 4b94a01513a7..aac98ece2335 100644 --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c @@ -641,8 +641,6 @@ static int port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, if (!dma_mem) return -ENOMEM; - memset(dma_mem, 0, fdb_dump_size); - fdb_dump_iova = dma_map_single(dev, dma_mem, fdb_dump_size, DMA_FROM_DEVICE); if (dma_mapping_error(dev, fdb_dump_iova)) {