tree 878526e743260b3666e36fb0655c0800a5d21afc
parent 0e255572121180c900e24e33b87047abd8153cce
author Michael S. Tsirkin <mst@redhat.com> 1268834771 +0200
committer Michael S. Tsirkin <mst@redhat.com> 1268860055 +0200

vhost: fix error handling in vring ioctls

Stanse found a locking problem in vhost_set_vring:
several returns from VHOST_SET_VRING_KICK, VHOST_SET_VRING_CALL,
VHOST_SET_VRING_ERR with the vq->mutex held.
Fix these up.

Reported-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Laurent Chavey <chavey@google.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>