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ipv4: mark expected switch fall-throughs

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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>
This commit is contained in:
Gustavo A. R. Silva
2017-10-16 15:48:55 -05:00
committed by David S. Miller
parent 86e58cce93
commit fcfd6dfab9
7 changed files with 11 additions and 3 deletions
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3
net/ipv4/af_inet.c
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@@ -827,6 +827,7 @@ int inet_shutdown(struct socket *sock, int how)
err = -ENOTCONN;
/* Hack to wake up other listeners, who can poll for
POLLHUP, even on eg. unconnected UDP sockets -- RR */
/* fall through */
default:
sk->sk_shutdown |= how;
if (sk->sk_prot->shutdown)
@@ -840,7 +841,7 @@ int inet_shutdown(struct socket *sock, int how)
case TCP_LISTEN:
if (!(how & RCV_SHUTDOWN))
break;
/* Fall through */
/* fall through */
case TCP_SYN_SENT:
err = sk->sk_prot->disconnect(sk, O_NONBLOCK);
sock->state = err ? SS_DISCONNECTING : SS_UNCONNECTED;