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/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index d8adfd4972e2..4d8d95404f45 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -36,6 +36,7 @@
 #include <linux/mroute.h>
 #include <net/route.h>
 #include <net/xfrm.h>
+#include <net/compat.h>
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 #include <net/transp_v6.h>
 #endif
@@ -923,6 +924,10 @@ int compat_ip_setsockopt(struct sock *sk, int level, int optname,
         if (level != SOL_IP)
                 return -ENOPROTOOPT;
 
+        if (optname >= MCAST_JOIN_GROUP && optname <= MCAST_MSFILTER)
+                return compat_mc_setsockopt(sk, level, optname, optval, optlen,
+                        ip_setsockopt);
+
         err = do_ip_setsockopt(sk, level, optname, optval, optlen);
 #ifdef CONFIG_NETFILTER
         /* we need to exclude all possible ENOPROTOOPTs except default case */