ipv4/ipv6 compat: Fix SSM applications on 64bit kernels.

Add support on 64-bit kernels for seting 32-bit compatible MCAST*
socket options.

Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 06de9d0e1f6b..db6fdc1498aa 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -52,6 +52,7 @@
 #include <net/udp.h>
 #include <net/udplite.h>
 #include <net/xfrm.h>
+#include <net/compat.h>
 
 #include <asm/uaccess.h>
 
@@ -779,6 +780,10 @@ 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)
+                return compat_mc_setsockopt(sk, level, optname, optval, optlen,
+                        ipv6_setsockopt);
+
         err = do_ipv6_setsockopt(sk, level, optname, optval, optlen);
 #ifdef CONFIG_NETFILTER
         /* we need to exclude all possible ENOPROTOOPTs except default case */