diff options
Diffstat (limited to 'drivers/vhost/net.c')
-rw-r--r-- | drivers/vhost/net.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 8d626d7c2e7e..c7bdeb655646 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c | |||
@@ -778,16 +778,6 @@ static void handle_rx(struct vhost_net *net) | |||
778 | /* On error, stop handling until the next kick. */ | 778 | /* On error, stop handling until the next kick. */ |
779 | if (unlikely(headcount < 0)) | 779 | if (unlikely(headcount < 0)) |
780 | goto out; | 780 | goto out; |
781 | if (nvq->rx_array) | ||
782 | msg.msg_control = vhost_net_buf_consume(&nvq->rxq); | ||
783 | /* On overrun, truncate and discard */ | ||
784 | if (unlikely(headcount > UIO_MAXIOV)) { | ||
785 | iov_iter_init(&msg.msg_iter, READ, vq->iov, 1, 1); | ||
786 | err = sock->ops->recvmsg(sock, &msg, | ||
787 | 1, MSG_DONTWAIT | MSG_TRUNC); | ||
788 | pr_debug("Discarded rx packet: len %zd\n", sock_len); | ||
789 | continue; | ||
790 | } | ||
791 | /* OK, now we need to know about added descriptors. */ | 781 | /* OK, now we need to know about added descriptors. */ |
792 | if (!headcount) { | 782 | if (!headcount) { |
793 | if (unlikely(vhost_enable_notify(&net->dev, vq))) { | 783 | if (unlikely(vhost_enable_notify(&net->dev, vq))) { |
@@ -800,6 +790,16 @@ static void handle_rx(struct vhost_net *net) | |||
800 | * they refilled. */ | 790 | * they refilled. */ |
801 | goto out; | 791 | goto out; |
802 | } | 792 | } |
793 | if (nvq->rx_array) | ||
794 | msg.msg_control = vhost_net_buf_consume(&nvq->rxq); | ||
795 | /* On overrun, truncate and discard */ | ||
796 | if (unlikely(headcount > UIO_MAXIOV)) { | ||
797 | iov_iter_init(&msg.msg_iter, READ, vq->iov, 1, 1); | ||
798 | err = sock->ops->recvmsg(sock, &msg, | ||
799 | 1, MSG_DONTWAIT | MSG_TRUNC); | ||
800 | pr_debug("Discarded rx packet: len %zd\n", sock_len); | ||
801 | continue; | ||
802 | } | ||
803 | /* We don't need to be notified again. */ | 803 | /* We don't need to be notified again. */ |
804 | iov_iter_init(&msg.msg_iter, READ, vq->iov, in, vhost_len); | 804 | iov_iter_init(&msg.msg_iter, READ, vq->iov, in, vhost_len); |
805 | fixup = msg.msg_iter; | 805 | fixup = msg.msg_iter; |