From: Stefano Garzarella <sgarz...@redhat.com>

[ Upstream commit 107bc0766b9feb5113074c753735a3f115c2141f ]

We want to deliver packets to monitoring devices before it is
put in the virtqueue, to avoid that replies can appear in the
packet capture before the transmitted packet.

Signed-off-by: Stefano Garzarella <sgarz...@redhat.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/vhost/vsock.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index bb3f63386b475..53294c2f8cff4 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -181,14 +181,14 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
                        break;
                }
 
-               vhost_add_used(vq, head, sizeof(pkt->hdr) + payload_len);
-               added = true;
-
-               /* Deliver to monitoring devices all correctly transmitted
-                * packets.
+               /* Deliver to monitoring devices all packets that we
+                * will transmit.
                 */
                virtio_transport_deliver_tap_pkt(pkt);
 
+               vhost_add_used(vq, head, sizeof(pkt->hdr) + payload_len);
+               added = true;
+
                pkt->off += payload_len;
                total_len += payload_len;
 
-- 
2.20.1

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