vhost-user: fix link-up status

When changing the admin state of a vhost-user interface, do not put it
in link-up mode if the interface is not actually ready.

Change-Id: Idbc631a7126efa79d199909f9e7656d21bd412ca
Signed-off-by: Yoann Desmouceaux <ydesmouc@cisco.com>

diff --git a/src/vnet/devices/virtio/vhost-user.c b/src/vnet/devices/virtio/vhost-user.c
index 2af96ee..4200ed8 100644 (file)
--- a/src/vnet/devices/virtio/vhost-user.c
+++ b/src/vnet/devices/virtio/vhost-user.c
@@ -2443,7 +2443,7 @@ vhost_user_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index,
 
   vui->admin_up = is_up;
 
-  if (is_up)
+  if (is_up && vui->is_up)
     vnet_hw_interface_set_flags (vnm, vui->hw_if_index,
                                 VNET_HW_INTERFACE_FLAG_LINK_UP);