net: hns3: Mark expected switch fall-through

BugLink: https://bugs.launchpad.net/bugs/1810457
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>
(cherry picked from commit be44b3afa98205607a7930b155557ccda9efd1e2)
Signed-off-by: dann frazier <dann.frazier@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 3ba946e878e8fea71d68fc1c6d952361b052df6c..8003dc5a1d8dcfda7b0dadd32e4735bf79c093cf 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2110,6 +2110,7 @@ static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb,
        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 ||