[SCTP] Move the registration of v6 address event notifier to ipv6.c.

net/sctp/ipv6.c

@@ -76,6 +76,8 @@
 
 #include <asm/uaccess.h>
 
+extern struct notifier_block sctp_inetaddr_notifier;
+
 /* FIXME: This macro needs to be moved to a common header file. */
 #define NIP6(addr) \
         ntohs((addr)->s6_addr16[0]), \
@@ -570,6 +572,9 @@ int sctp_v6_init(void)
 	/* Register the SCTP specfic AF_INET6 functions. */
 	sctp_register_af(&sctp_ipv6_specific);
 
+	/* Register notifier for inet6 address additions/deletions. */ 
+	register_inet6addr_notifier(&sctp_inetaddr_notifier);
+
 	return 0;
 }
 
@@ -579,4 +584,5 @@ void sctp_v6_exit(void)
 	list_del(&sctp_ipv6_specific.list);
 	inet6_del_protocol(&sctpv6_protocol, IPPROTO_SCTP);
 	inet6_unregister_protosw(&sctpv6_protosw);
+	unregister_inet6addr_notifier(&sctp_inetaddr_notifier);
 }

net/sctp/protocol.c

@@ -785,9 +785,8 @@ int sctp_init(void)
 	INIT_LIST_HEAD(&sctp_proto.local_addr_list);
 	sctp_proto.local_addr_lock = SPIN_LOCK_UNLOCKED;
 
-	/* Register notifiers for inet and inet6 address events. */ 
+	/* Register notifier for inet address additions/deletions. */ 
 	register_inetaddr_notifier(&sctp_inetaddr_notifier);
-	register_inet6addr_notifier(&sctp_inetaddr_notifier);
 
 	sctp_get_local_addr_list(&sctp_proto);
 
@@ -818,9 +817,8 @@ void sctp_exit(void)
 	 * up all the remaining associations and all that memory.
 	 */
 
-	/* Unregister notifiers for inet and inet6 address events. */
+	/* Unregister notifier for inet address additions/deletions. */
 	unregister_inetaddr_notifier(&sctp_inetaddr_notifier);
-	unregister_inet6addr_notifier(&sctp_inetaddr_notifier);
 
 	/* Free the local address list.  */
 	sctp_free_local_addr_list(&sctp_proto);