Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[~shefty/rdma-dev.git] / net / vmw_vsock / vmci_transport.c
index faf81b8c1a3a37e377d7cc81bc45c89406bc4e88..9caa91c0bdafae9395b131cd0c0b56b0bf7cd398 100644 (file)
@@ -472,19 +472,16 @@ static struct sock *vmci_transport_get_pending(
        struct vsock_sock *vlistener;
        struct vsock_sock *vpending;
        struct sock *pending;
+       struct sockaddr_vm src;
+
+       vsock_addr_init(&src, pkt->dg.src.context, pkt->src_port);
 
        vlistener = vsock_sk(listener);
 
        list_for_each_entry(vpending, &vlistener->pending_links,
                            pending_links) {
-               struct sockaddr_vm src;
-               struct sockaddr_vm dst;
-
-               vsock_addr_init(&src, pkt->dg.src.context, pkt->src_port);
-               vsock_addr_init(&dst, pkt->dg.dst.context, pkt->dst_port);
-
                if (vsock_addr_equals_addr(&src, &vpending->remote_addr) &&
-                   vsock_addr_equals_addr(&dst, &vpending->local_addr)) {
+                   pkt->dst_port == vpending->local_addr.svm_port) {
                        pending = sk_vsock(vpending);
                        sock_hold(pending);
                        goto found;
@@ -749,10 +746,15 @@ static int vmci_transport_recv_stream_cb(void *data, struct vmci_datagram *dg)
         */
        bh_lock_sock(sk);
 
-       if (!sock_owned_by_user(sk) && sk->sk_state == SS_CONNECTED)
-               vmci_trans(vsk)->notify_ops->handle_notify_pkt(
-                               sk, pkt, true, &dst, &src,
-                               &bh_process_pkt);
+       if (!sock_owned_by_user(sk)) {
+               /* The local context ID may be out of date, update it. */
+               vsk->local_addr.svm_cid = dst.svm_cid;
+
+               if (sk->sk_state == SS_CONNECTED)
+                       vmci_trans(vsk)->notify_ops->handle_notify_pkt(
+                                       sk, pkt, true, &dst, &src,
+                                       &bh_process_pkt);
+       }
 
        bh_unlock_sock(sk);
 
@@ -912,6 +914,9 @@ static void vmci_transport_recv_pkt_work(struct work_struct *work)
 
        lock_sock(sk);
 
+       /* The local context ID may be out of date. */
+       vsock_sk(sk)->local_addr.svm_cid = pkt->dg.dst.context;
+
        switch (sk->sk_state) {
        case SS_LISTEN:
                vmci_transport_recv_listen(sk, pkt);
@@ -968,6 +973,10 @@ static int vmci_transport_recv_listen(struct sock *sk,
        pending = vmci_transport_get_pending(sk, pkt);
        if (pending) {
                lock_sock(pending);
+
+               /* The local context ID may be out of date. */
+               vsock_sk(pending)->local_addr.svm_cid = pkt->dg.dst.context;
+
                switch (pending->sk_state) {
                case SS_CONNECTING:
                        err = vmci_transport_recv_connecting_server(sk,