diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2018-04-20 20:49:04 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-01 12:58:12 -0700 |
| commit | 75fc6f2d39bfe32db91980408247edc77d189a5a (patch) | |
| tree | 8805bb1de1ac48cef9469dfcd4dafb818061370b /drivers/char | |
| parent | 6b1c41a0f7183702abb7a104c6c7e196ad69a6b3 (diff) | |
virtio_console: drop custom control queue cleanup
commit 61a8950c5c5708cf2068b29ffde94e454e528208 upstream.
We now cleanup all VQs on device removal - no need
to handle the control VQ specially.
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/virtio_console.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index ddec05313465..95e6c339b898 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1988,21 +1988,6 @@ static void remove_vqs(struct ports_device *portdev) kfree(portdev->out_vqs); } -static void remove_controlq_data(struct ports_device *portdev) -{ - struct port_buffer *buf; - unsigned int len; - - if (!use_multiport(portdev)) - return; - - while ((buf = virtqueue_get_buf(portdev->c_ivq, &len))) - free_buf(buf, true); - - while ((buf = virtqueue_detach_unused_buf(portdev->c_ivq))) - free_buf(buf, true); -} - /* * Once we're further in boot, we get probed like any other virtio * device. @@ -2163,7 +2148,6 @@ static void virtcons_remove(struct virtio_device *vdev) * have to just stop using the port, as the vqs are going * away. */ - remove_controlq_data(portdev); remove_vqs(portdev); kfree(portdev); } @@ -2208,7 +2192,6 @@ static int virtcons_freeze(struct virtio_device *vdev) */ if (use_multiport(portdev)) virtqueue_disable_cb(portdev->c_ivq); - remove_controlq_data(portdev); list_for_each_entry(port, &portdev->ports, list) { virtqueue_disable_cb(port->in_vq); |