[dpdk-dev] [PATCH v3 2/4] net/virtio: add checking for cvq

[zhiyong.yang at intel.com]

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

Signed-off-by: Zhiyong Yang <zhiyong.yang at intel.com>
---
 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 f377d8aa3..b567d3cf8 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1337,7 +1337,8 @@ 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