diff --git a/[refs] b/[refs]
index 409f85a276ce..49a18883aa36 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 230b183921ecbaa5fedc0d35ad6ba7bb64b6e06a
+refs/heads/master: a6ffb404dc03f806a257faaab831a6cb55c0b790
diff --git a/trunk/net/ipv6/mcast.c b/trunk/net/ipv6/mcast.c
index 1b285371124a..e7c03bcc2788 100644
--- a/trunk/net/ipv6/mcast.c
+++ b/trunk/net/ipv6/mcast.c
@@ -367,10 +367,6 @@ int ip6_mc_source(int add, int omode, struct sock *sk,
 	int pmclocked = 0;
 	int err;
 
-	if (pgsr->gsr_group.ss_family != AF_INET6 ||
-	    pgsr->gsr_source.ss_family != AF_INET6)
-		return -EINVAL;
-
 	source = &((struct sockaddr_in6 *)&pgsr->gsr_source)->sin6_addr;
 	group = &((struct sockaddr_in6 *)&pgsr->gsr_group)->sin6_addr;