vhost: make vhost_dev_cleanup() idempotent
commite0547b59dc0ead4c605d3f02d1c8829630a1311b
authorMarc-André Lureau <marcandre.lureau@redhat.com>
Tue, 26 Jul 2016 21:15:02 +0000 (27 01:15 +0400)
committerMichael S. Tsirkin <mst@redhat.com>
Thu, 28 Jul 2016 21:33:47 +0000 (29 00:33 +0300)
treeeaf14da0e0754665932125bb44e0351e1073e4cc
parent5be5f9be724d43fbec3d6f955a43bc64a62d55cc
vhost: make vhost_dev_cleanup() idempotent

It is called on multiple code path, so make it safe to call several
times (note: I don't remember a reproducer here, but a function called
'cleanup' should probably be idempotent in my book)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/virtio/vhost.c