net: smc_close: mark expected switch fall-through

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

Notice that in this particular case I placed the "fall through" comment
on its own line, which is what GCC is expecting to find.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c
index f0d16fb..a6c6559 100644 (file)
--- a/net/smc/smc_close.c
+++ b/net/smc/smc_close.c
@@ -360,7 +360,8 @@ static void smc_close_passive_work(struct work_struct *work)
        case SMC_PEERCLOSEWAIT1:
                if (rxflags->peer_done_writing)
                        sk->sk_state = SMC_PEERCLOSEWAIT2;
-               /* fall through to check for closing */
+               /* fall through */
+               /* to check for closing */
        case SMC_PEERCLOSEWAIT2:
        case SMC_PEERFINCLOSEWAIT:
                if (!smc_cdc_rxed_any_close(&smc->conn))