vhost/net: fix rcu check usage

Incorrect rcu check was used as rcu isn't done
under mutex here. Force check to 1 for now,
to stop it from complaining.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 4b4da5b86ff99337fc0d81afeb48363918df65c3..f442668a1e52e137b347419f9938d386f638b16b 100644 (file)
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -129,8 +129,9 @@ static void handle_tx(struct vhost_net *net)
        size_t hdr_size;
        struct socket *sock;
 
-       sock = rcu_dereference_check(vq->private_data,
-                                    lockdep_is_held(&vq->mutex));
+       /* TODO: check that we are running from vhost_worker?
+        * Not sure it's worth it, it's straight-forward enough. */
+       sock = rcu_dereference_check(vq->private_data, 1);
        if (!sock)
                return;