vsock: fold sk_acceptq_added() into vsock_enqueue_accept()

virtio and hyperv call sk_acceptq_added() immediately before
vsock_enqueue_accept(). Move the call into vsock_enqueue_accept()
itself so callers cannot forget it and the accounting is consistent.

Suggested-by: Paolo Abeni <pabeni@redhat.com>
Suggested-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Raf Dickson <rafdog35@gmail.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Luigi Leonardi <leonardi@redhat.com>
Reviewed-by: Bobby Eshleman <bobbyeshleman@meta.com>
Link: https://patch.msgid.link/20260612045216.105796-4-rafdog35@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net/vmw_vsock/af_vsock.c

@@ -519,6 +519,7 @@ void vsock_enqueue_accept(struct sock *listener, struct sock *connected)
 	sock_hold(connected);
 	sock_hold(listener);
 	list_add_tail(&vconnected->accept_queue, &vlistener->accept_queue);
+	sk_acceptq_added(listener);
 }
 EXPORT_SYMBOL_GPL(vsock_enqueue_accept);
 

net/vmw_vsock/hyperv_transport.c

@@ -410,7 +410,6 @@ static void hvs_open_connection(struct vmbus_channel *chan)
 
 	if (conn_from_host) {
 		new->sk_state = TCP_ESTABLISHED;
-		sk_acceptq_added(sk);
 
 		hvs_new->vm_srv_id = *if_type;
 		hvs_new->host_srv_id = *if_instance;

net/vmw_vsock/virtio_transport_common.c

@@ -1582,7 +1582,6 @@ virtio_transport_recv_listen(struct sock *sk, struct sk_buff *skb,
 		return ret;
 	}
 
-	sk_acceptq_added(sk);
 	if (virtio_transport_space_update(child, skb))
 		child->sk_write_space(child);