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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/tcp_ipv4.c
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@ -1779,8 +1779,9 @@ do_time_wait:
refcounted = false;
goto process;
}
/* Fall through to ACK */
}
/* to ACK */
/* fall through */
case TCP_TW_ACK:
tcp_v4_timewait_ack(sk, skb);
break;