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ipv6: 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.

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 16:36:52 -05:00 • committed by David S. Miller
parent fb6ff75e18
commit 275757e6ba
10 changed files with 19 additions and 6 deletions
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4
net/ipv6/raw.c
View file

@ -1055,6 +1055,7 @@ static int rawv6_setsockopt(struct sock *sk, int level, int optname,
if (optname == IPV6_CHECKSUM ||
optname == IPV6_HDRINCL)
break;
/* fall through */
default:
return ipv6_setsockopt(sk, level, optname, optval, optlen);
}
@ -1077,6 +1078,7 @@ static int compat_rawv6_setsockopt(struct sock *sk, int level, int optname,
if (optname == IPV6_CHECKSUM ||
optname == IPV6_HDRINCL)
break;
/* fall through */
default:
return compat_ipv6_setsockopt(sk, level, optname,
optval, optlen);
@ -1138,6 +1140,7 @@ static int rawv6_getsockopt(struct sock *sk, int level, int optname,
if (optname == IPV6_CHECKSUM ||
optname == IPV6_HDRINCL)
break;
/* fall through */
default:
return ipv6_getsockopt(sk, level, optname, optval, optlen);
}
@ -1160,6 +1163,7 @@ static int compat_rawv6_getsockopt(struct sock *sk, int level, int optname,
if (optname == IPV6_CHECKSUM ||
optname == IPV6_HDRINCL)
break;
/* fall through */
default:
return compat_ipv6_getsockopt(sk, level, optname,
optval, optlen);