sctp: set sin_port for addr param when checking duplicate address

[karo-tx-linux.git] / net / sctp / protocol.c

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 8227bbbd077a4ad04df53886558d34c4d6a3daea..1b6d4574d2b02a2877caba604bb549352a0f0470 100644 (file)
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -199,6 +199,7 @@ int sctp_copy_local_addr_list(struct net *net, struct sctp_bind_addr *bp,
                              sctp_scope_t scope, gfp_t gfp, int copy_flags)
 {
        struct sctp_sockaddr_entry *addr;
+       union sctp_addr laddr;
        int error = 0;
 
        rcu_read_lock();
@@ -220,7 +221,10 @@ int sctp_copy_local_addr_list(struct net *net, struct sctp_bind_addr *bp,
                     !(copy_flags & SCTP_ADDR6_PEERSUPP)))
                        continue;
 
-               if (sctp_bind_addr_state(bp, &addr->a) != -1)
+               laddr = addr->a;
+               /* also works for setting ipv6 address port */
+               laddr.v4.sin_port = htons(bp->port);
+               if (sctp_bind_addr_state(bp, &laddr) != -1)
                        continue;
 
                error = sctp_add_bind_addr(bp, &addr->a, sizeof(addr->a),