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author | Al Viro <viro@zeniv.linux.org.uk> | 2020-05-10 04:16:36 +0300 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2020-05-21 03:31:26 +0300 |
commit | e9c375fb5edeb550786d1436784db909bf672e9f (patch) | |
tree | a042092acd06f181fd5dbc8a6fe0b662b77a5313 /net/ipv6 | |
parent | 63287de66df11308d239483415d67fe94079f47b (diff) | |
download | linux-e9c375fb5edeb550786d1436784db909bf672e9f.tar.xz |
compat_ip{,v6}_setsockopt(): enumerate MCAST_... options explicitly
We want to check if optname is among the MCAST_... ones; do that as
an explicit switch.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/ipv6_sockglue.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index a0e50cc57e54..96e3f603c8d8 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -973,9 +973,17 @@ int compat_ipv6_setsockopt(struct sock *sk, int level, int optname, if (level != SOL_IPV6) return -ENOPROTOOPT; - if (optname >= MCAST_JOIN_GROUP && optname <= MCAST_MSFILTER) + switch (optname) { + case MCAST_JOIN_GROUP: + case MCAST_LEAVE_GROUP: + case MCAST_JOIN_SOURCE_GROUP: + case MCAST_LEAVE_SOURCE_GROUP: + case MCAST_BLOCK_SOURCE: + case MCAST_UNBLOCK_SOURCE: + case MCAST_MSFILTER: return compat_mc_setsockopt(sk, level, optname, optval, optlen, ipv6_setsockopt); + } err = do_ipv6_setsockopt(sk, level, optname, optval, optlen); #ifdef CONFIG_NETFILTER |