[SCTP] Flag a pmtu change request

[safe/jmp/linux-2.6] / net / sctp / input.c

diff --git a/net/sctp/input.c b/net/sctp/input.c
index 45d6a64..d57ff7f 100644 (file)
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -367,9 +367,15 @@ static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb)
 void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc,
                           struct sctp_transport *t, __u32 pmtu)
 {
-       if (sock_owned_by_user(sk) || !t || (t->pathmtu == pmtu))
+       if (!t || (t->pathmtu == pmtu))
                return;
 
+       if (sock_owned_by_user(sk)) {
+               asoc->pmtu_pending = 1;
+               t->pmtu_pending = 1;
+               return;
+       }
+
        if (t->param_flags & SPP_PMTUD_ENABLE) {
                /* Update transports view of the MTU */
                sctp_transport_update_pmtu(t, pmtu);