net: hix5hd2_gmac: Remove unneeded cast from memory allocation

Remove casting the values returned by memory allocation function.

Coccinelle emits WARNING:

./drivers/net/ethernet/hisilicon/hix5hd2_gmac.c:1027:9-23: WARNING:
 casting value returned by memory allocation function to (struct sg_desc *) is useless.

This issue was detected by using the Coccinelle software.

Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c b/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c
index 4fb7769..8b2bf85 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c
+++ b/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c
@@ -1024,9 +1024,9 @@ static int hix5hd2_init_sg_desc_queue(struct hix5hd2_priv *priv)
        struct sg_desc *desc;
        dma_addr_t phys_addr;
 
-       desc = (struct sg_desc *)dma_alloc_coherent(priv->dev,
-                               TX_DESC_NUM * sizeof(struct sg_desc),
-                               &phys_addr, GFP_KERNEL);
+       desc = dma_alloc_coherent(priv->dev,
+                                 TX_DESC_NUM * sizeof(struct sg_desc),
+                                 &phys_addr, GFP_KERNEL);
        if (!desc)
                return -ENOMEM;