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virtio-input: reset device and detach unused during remove

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Spec requires a device reset during cleanup, so do it and avoid warn
in virtio core. And detach unused buffers to avoid memory leak.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jason Wang 2015-08-06 13:54:21 +08:00 committed by Michael S. Tsirkin
parent 74d33293e4
commit df4198b1e0
1 changed files with 4 additions and 0 deletions
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4
drivers/virtio/virtio_input.c
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@ -313,6 +313,7 @@ static int virtinput_probe(struct virtio_device *vdev)
static void virtinput_remove(struct virtio_device *vdev)
{
struct virtio_input *vi = vdev->priv;
void *buf;
unsigned long flags;
spin_lock_irqsave(&vi->lock, flags);
@ -320,6 +321,9 @@ static void virtinput_remove(struct virtio_device *vdev)
spin_unlock_irqrestore(&vi->lock, flags);
input_unregister_device(vi->idev);
vdev->config->reset(vdev);
while ((buf = virtqueue_detach_unused_buf(vi->sts)) != NULL)
kfree(buf);
vdev->config->del_vqs(vdev);
kfree(vi);
}