nfp: flower: fix implicit fallthrough warning

The nfp_flower_copy_pre_actions function introduces a case statement with
an intentional fallthrough. However, this generates a warning if built
with the -Wimplicit-fallthrough flag.

Remove the warning by adding a fall through comment.

Fixes: 1c6952ca587d ("nfp: flower: generate merge flow rule")
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Jiong Wang <jiong.wang@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index df81d86..aefe211 100644 (file)
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -629,6 +629,7 @@ nfp_flower_copy_pre_actions(char *act_dst, char *act_src, int len,
                case NFP_FL_ACTION_OPCODE_PRE_TUNNEL:
                        if (tunnel_act)
                                *tunnel_act = true;
+                       /* fall through */
                case NFP_FL_ACTION_OPCODE_PRE_LAG:
                        memcpy(act_dst + act_off, act_src + act_off, act_len);
                        break;