net: hns3: pointer type of buffer should be void

Move the type of buffer address from unsigned char to void
Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

@@ -3070,7 +3070,7 @@ static int hns3_handle_rx_bd(struct hns3_enet_ring *ring)
 		return -ENXIO;
 
 	if (!skb)
-		ring->va = (unsigned char *)desc_cb->buf + desc_cb->page_offset;
+		ring->va = desc_cb->buf + desc_cb->page_offset;
 
 	/* Prefetch first cache line of first page
 	 * Idea is to cache few bytes of the header of the packet. Our L1 Cache

drivers/net/ethernet/hisilicon/hns3/hns3_enet.h

@@ -407,7 +407,7 @@ struct hns3_enet_ring {
 
 	u32 pull_len; /* head length for current packet */
 	u32 frag_num;
-	unsigned char *va; /* first buffer address for current packet */
+	void *va; /* first buffer address for current packet */
 
 	u32 flag;          /* ring attribute */