net: vxlan: use kfree_skb_reason() in encap_bypass_if_local()

Replace kfree_skb() with kfree_skb_reason() in encap_bypass_if_local, and
no new skb drop reason is added in this commit.

Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/vxlan/vxlan_core.c

@@ -2341,7 +2341,7 @@ static int encap_bypass_if_local(struct sk_buff *skb, struct net_device *dev,
 			DEV_STATS_INC(dev, tx_errors);
 			vxlan_vnifilter_count(vxlan, vni, NULL,
 					      VXLAN_VNI_STATS_TX_ERRORS, 0);
-			kfree_skb(skb);
+			kfree_skb_reason(skb, SKB_DROP_REASON_VXLAN_INVALID_HDR);
 
 			return -ENOENT;
 		}