[PATCH] Update mcast rwlock for RT

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	Corrects this mcast lock for RT . Seems like this should
really be an rwlock_init() .

Signed-Off-By: Daniel Walker <[email protected]>

Index: linux-2.6.15/net/ipv6/mcast.c
--- linux-2.6.15.orig/net/ipv6/mcast.c
+++ linux-2.6.15/net/ipv6/mcast.c
@@ -224,7 +224,7 @@ int ipv6_sock_mc_join(struct sock *sk, i
 	mc_lst->ifindex = dev->ifindex;
 	mc_lst->sfmode = MCAST_EXCLUDE;
-	mc_lst->sflock = RW_LOCK_UNLOCKED;
+	mc_lst->sflock = RW_LOCK_UNLOCKED(mc_lst->sflock);
 	mc_lst->sflist = NULL;

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