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>
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index a0e50cc..96e3f60 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