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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

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Pull virtio fix from Michael Tsirkin:
 "A last minute fix for the new virtio input driver.  It seems pretty
   obvious, and the problem it's fixing would be quite hard to debug"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  virtio-input: reset device and detach unused during remove
This commit is contained in:
Linus Torvalds
2015-08-08 04:36:40 +03:00
parent 39171c86f1 df4198b1e0
commit b3b98a551d
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 @@ err_init_vq:
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);
}