vhost: make vhost_log_put() idempotent
commit9e0bc24fa57b98561d75ab8f61a419f2d69ec6aa
authorMarc-André Lureau <marcandre.lureau@redhat.com>
Tue, 26 Jul 2016 21:14:59 +0000 (27 01:14 +0400)
committerMichael S. Tsirkin <mst@redhat.com>
Thu, 28 Jul 2016 21:33:46 +0000 (29 00:33 +0300)
treed983d3921652e3016c245b91cd18ea1e597420f9
parent7cb8a9b9f235098096c493cc1a1487cd8dbd6820
vhost: make vhost_log_put() idempotent

Although not strictly required, it is nice to have vhost_log_put()
safely callable multiple times.

Clear dev->log* when calling vhost_log_put() to make the function
idempotent. This also simplifies a bit the caller work.

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