igbvf: netdev: Mark expected switch fall-through

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

Addresses-Coverity-ID: 114801 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index f818f06..e0c989f 100644 (file)
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -2102,6 +2102,7 @@ csum_failed:
                        type_tucmd = E1000_ADVTXD_TUCMD_L4T_SCTP;
                        break;
                }
+               /* fall through */
        default:
                skb_checksum_help(skb);
                goto csum_failed;