Add checking for cvq to judge if virtio_ack_link_announce is called.
The original code doesn't cause issue, and add the checking just to look
more reasonable.

Signed-off-by: Zhiyong Yang <redacted>
---
 drivers/net/virtio/virtio_ethdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index b38582c8d..74943a5a9 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c

@@ -1338,7 +1338,8 @@ virtio_interrupt_handler(void *param)
 
 	if (isr & VIRTIO_NET_S_ANNOUNCE) {
 		virtio_notify_peers(dev);
-		virtio_ack_link_announce(dev);
+		if (hw->cvq)
+			virtio_ack_link_announce(dev);
 	}
 }
 

-- 
2.14.3