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authorGustavo A. R. Silva <garsilva@embeddedor.com>2017-10-16 15:48:55 -0500
committerDavid S. Miller <davem@davemloft.net>2017-10-18 14:10:29 +0100
commitfcfd6dfab97006d44c7db5d6c908eac383af6649 (patch)
tree4d959ed7720b96140dbdb04bcf94d571e73865d8 /net/ipv4/tcp_input.c
parentdecnet: af_decnet: mark expected switch fall-throughs (diff)
downloadlinux-dev-fcfd6dfab97006d44c7db5d6c908eac383af6649.tar.xz
linux-dev-fcfd6dfab97006d44c7db5d6c908eac383af6649.zip
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>
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index d0682ce2a5d6..b2390bfdc68f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2885,6 +2885,7 @@ static void tcp_fastretrans_alert(struct sock *sk, const int acked,
(*ack_flag & FLAG_LOST_RETRANS)))
return;
/* Change state if cwnd is undone or retransmits are lost */
+ /* fall through */
default:
if (tcp_is_reno(tp)) {
if (flag & FLAG_SND_UNA_ADVANCED)
@@ -6044,6 +6045,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb)
case TCP_LAST_ACK:
if (!before(TCP_SKB_CB(skb)->seq, tp->rcv_nxt))
break;
+ /* fall through */
case TCP_FIN_WAIT1:
case TCP_FIN_WAIT2:
/* RFC 793 says to queue data in these states,