net: hns3: clear param in ring when free ring

321lipeng · davem330 · commit ac574b80a1ba · 2019-01-23T11:13:01.000-08:00
Param pending_buf and skb may be not NULL when free ring.
This patch clears them when free ring.

Signed-off-by: Peng Li &lt;lipeng321@huawei.com&gt;
Signed-off-by: Huazhong Tan &lt;tanhuazhong@huawei.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3397,6 +3397,11 @@ static void hns3_fini_ring(struct hns3_enet_ring *ring)
 	ring->desc_cb = NULL;
 	ring->next_to_clean = 0;
 	ring->next_to_use = 0;
+	ring->pending_buf = 0;
+	if (ring->skb) {
+		dev_kfree_skb_any(ring->skb);
+		ring->skb = NULL;
+	}
 }
 
 static int hns3_buf_size2type(u32 buf_size)
