3 files changed, 9 insertions, 42 deletions

diff --git a/net/sctp/output.c b/net/sctp/output.c
index 67939ad99c01..b0e74a3e77ec 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -118,6 +118,9 @@ void sctp_packet_config(struct sctp_packet *packet, __u32 vtag,
                 sctp_transport_route(tp, NULL, sp);
                 if (asoc->param_flags & SPP_PMTUD_ENABLE)
                         sctp_assoc_sync_pmtu(asoc);
+        } else if (!sctp_transport_pmtu_check(tp)) {
+                if (asoc->param_flags & SPP_PMTUD_ENABLE)
+                        sctp_assoc_sync_pmtu(asoc);
         }
 
         if (asoc->pmtu_pending) {
@@ -396,25 +399,6 @@ finish:
         return retval;
 }
 
-static void sctp_packet_release_owner(struct sk_buff *skb)
-{
-        sk_free(skb->sk);
-}
-
-static void sctp_packet_set_owner_w(struct sk_buff *skb, struct sock *sk)
-{
-        skb_orphan(skb);
-        skb->sk = sk;
-        skb->destructor = sctp_packet_release_owner;
-
-        /*
-         * The data chunks have already been accounted for in sctp_sendmsg(),
-         * therefore only reserve a single byte to keep socket around until
-         * the packet has been transmitted.
-         */
-        refcount_inc(&sk->sk_wmem_alloc);
-}
-
 static void sctp_packet_gso_append(struct sk_buff *head, struct sk_buff *skb)
 {
         if (SCTP_OUTPUT_CB(head)->last == head)
@@ -601,7 +585,7 @@ int sctp_packet_transmit(struct sctp_packet *packet, gfp_t gfp)
         if (!head)
                 goto out;
         skb_reserve(head, packet->overhead + MAX_HEADER);
-        sctp_packet_set_owner_w(head, sk);
+        skb_set_owner_w(head, sk);
 
         /* set sctp header */
         sh = skb_push(head, sizeof(struct sctphdr));
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 739f3e50120d..bf618d1b41fd 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3940,32 +3940,16 @@ static int sctp_setsockopt_pr_supported(struct sock *sk,
                                         unsigned int optlen)
 {
         struct sctp_assoc_value params;
-        struct sctp_association *asoc;
-        int retval = -EINVAL;
 
         if (optlen != sizeof(params))
-                goto out;
-
-        if (copy_from_user(&params, optval, optlen)) {
-                retval = -EFAULT;
-                goto out;
-        }
-
-        asoc = sctp_id2assoc(sk, params.assoc_id);
-        if (asoc) {
-                asoc->prsctp_enable = !!params.assoc_value;
-        } else if (!params.assoc_id) {
-                struct sctp_sock *sp = sctp_sk(sk);
+                return -EINVAL;
 
-                sp->ep->prsctp_enable = !!params.assoc_value;
-        } else {
-                goto out;
-        }
+        if (copy_from_user(&params, optval, optlen))
+                return -EFAULT;
 
-        retval = 0;
+        sctp_sk(sk)->ep->prsctp_enable = !!params.assoc_value;
 
-out:
-        return retval;
+        return 0;
 }
 
 static int sctp_setsockopt_default_prinfo(struct sock *sk,
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index ffb940d3b57c..3892e7630f3a 100644
--- a/net/sctp/stream.c
+++ b/net/sctp/stream.c
@@ -535,7 +535,6 @@ int sctp_send_add_streams(struct sctp_association *asoc,
                 goto out;
         }
 
-        stream->incnt = incnt;
         stream->outcnt = outcnt;
 
         asoc->strreset_outstanding = !!out + !!in;