net: thunderx: mark expected switch fall-throughs in nicvf_main()

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

Cc: Sunil Goutham <sgoutham@cavium.com>
Cc: Robert Richter <rric@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
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/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index 49b80da..805ab45 100644 (file)
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -565,8 +565,10 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog,
                return true;
        default:
                bpf_warn_invalid_xdp_action(action);
+               /* fall through */
        case XDP_ABORTED:
                trace_xdp_exception(nic->netdev, prog, action);
+               /* fall through */
        case XDP_DROP:
                /* Check if it's a recycled page, if not
                 * unmap the DMA mapping.