From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Date: Tue, 7 Aug 2018 18:18:30 -0500
Subject: net: hns3: Mark expected switch fall-through
Patch-mainline: v4.19-rc1
Git-commit: be44b3afa98205607a7930b155557ccda9efd1e2
References: bsc#1104353 FATE#326415

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 114789 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2104,6 +2104,7 @@ static void hns3_rx_checksum(struct hns3
 	case HNS3_OL4_TYPE_MAC_IN_UDP:
 	case HNS3_OL4_TYPE_NVGRE:
 		skb->csum_level = 1;
+		/* fall through */
 	case HNS3_OL4_TYPE_NO_TUN:
 		/* Can checksum ipv4 or ipv6 + UDP/TCP/SCTP packets */
 		if ((l3_type == HNS3_L3_TYPE_IPV4 ||