sctp: Guard IPV6 specific code properly.

Outside of net/sctp/ipv6.c, IPV6 specific code needs to
be ifdef guarded.

This fixes build failures with IPV6 disabled.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index af0a6b0fc9b6..ab5ded2c58de 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -637,6 +637,7 @@ void sctp_addr_wq_timeout_handler(unsigned long arg)
                     " for cmd %d at entry %p\n", &sctp_addr_waitq, &addrw->a, addrw->state,
                     addrw);
 
+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
                 /* Now we send an ASCONF for each association */
                 /* Note. we currently don't handle link local IPv6 addressees */
                 if (addrw->a.sa.sa_family == AF_INET6) {
@@ -659,7 +660,7 @@ void sctp_addr_wq_timeout_handler(unsigned long arg)
                                 break;
                         }
                 }
-
+#endif
                 list_for_each_entry(sp, &sctp_auto_asconf_splist, auto_asconf_list) {
                         struct sock *sk;