ipv4: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Notice that in some cases I placed the "fall through" comment
on its own line, which is what GCC is expecting to find.
Addresses-Coverity-ID: 115108
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 5418ecf..ecee4dd 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1779,8 +1779,9 @@ int tcp_v4_rcv(struct sk_buff *skb)
refcounted = false;
goto process;
}
- /* Fall through to ACK */
}
+ /* to ACK */
+ /* fall through */
case TCP_TW_ACK:
tcp_v4_timewait_ack(sk, skb);
break;