Merge branch 'misc.poll' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[sfrench/cifs-2.6.git] / drivers / vhost / net.c
index 0ed445a17c54c190d79462eb11f1e2ee76554cc8..9524ee16878a94c55c2897c89ba212efe4762ca3 100644 (file)
@@ -778,16 +778,6 @@ static void handle_rx(struct vhost_net *net)
                /* On error, stop handling until the next kick. */
                if (unlikely(headcount < 0))
                        goto out;
-               if (nvq->rx_array)
-                       msg.msg_control = vhost_net_buf_consume(&nvq->rxq);
-               /* On overrun, truncate and discard */
-               if (unlikely(headcount > UIO_MAXIOV)) {
-                       iov_iter_init(&msg.msg_iter, READ, vq->iov, 1, 1);
-                       err = sock->ops->recvmsg(sock, &msg,
-                                                1, MSG_DONTWAIT | MSG_TRUNC);
-                       pr_debug("Discarded rx packet: len %zd\n", sock_len);
-                       continue;
-               }
                /* OK, now we need to know about added descriptors. */
                if (!headcount) {
                        if (unlikely(vhost_enable_notify(&net->dev, vq))) {
@@ -800,6 +790,16 @@ static void handle_rx(struct vhost_net *net)
                         * they refilled. */
                        goto out;
                }
+               if (nvq->rx_array)
+                       msg.msg_control = vhost_net_buf_consume(&nvq->rxq);
+               /* On overrun, truncate and discard */
+               if (unlikely(headcount > UIO_MAXIOV)) {
+                       iov_iter_init(&msg.msg_iter, READ, vq->iov, 1, 1);
+                       err = sock->ops->recvmsg(sock, &msg,
+                                                1, MSG_DONTWAIT | MSG_TRUNC);
+                       pr_debug("Discarded rx packet: len %zd\n", sock_len);
+                       continue;
+               }
                /* We don't need to be notified again. */
                iov_iter_init(&msg.msg_iter, READ, vq->iov, in, vhost_len);
                fixup = msg.msg_iter;