[PATCH v1] vsock: don't send messages when vsock device is not started

[Jiang Wang]

Added a check in vhost_vsock_common_send_transport_reset,
and only send messages on event queue when the vsock host
device is started.

Suggested-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Jiang Wang <jiang.wang@bytedance.com>
---
 hw/virtio/vhost-vsock-common.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/hw/virtio/vhost-vsock-common.c b/hw/virtio/vhost-vsock-common.c
index 4ad6e234ad..64425719a2 100644
--- a/hw/virtio/vhost-vsock-common.c
+++ b/hw/virtio/vhost-vsock-common.c
@@ -138,8 +138,10 @@ static void 
vhost_vsock_common_send_transport_reset(VHostVSockCommon *vvc)
         goto out;
     }
 
-    virtqueue_push(vq, elem, sizeof(event));
-    virtio_notify(VIRTIO_DEVICE(vvc), vq);
+    if (vvc->vhost_dev.started) {
+        virtqueue_push(vq, elem, sizeof(event));
+        virtio_notify(VIRTIO_DEVICE(vvc), vq);
+    }
 
 out:
     g_free(elem);
-- 
2.20.1