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virtio_console: init work unconditionally 

when multiport is off, we don't initialize config work,
but we then cancel uninitialized control_work on freeze.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
This commit is contained in:
Michael S. Tsirkin 2015-03-05 10:45:30 +10:30 committed by Rusty Russell
parent 6587457b4b
commit 4f6e24ed9d
1 changed files with 2 additions and 1 deletions
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3
drivers/char/virtio_console.c
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@ -2040,12 +2040,13 @@ static int virtcons_probe(struct virtio_device *vdev)
virtio_device_ready(portdev->vdev);
INIT_WORK(&portdev->control_work, &control_work_handler);
if (multiport) {
unsigned int nr_added_bufs;
spin_lock_init(&portdev->c_ivq_lock);
spin_lock_init(&portdev->c_ovq_lock);
INIT_WORK(&portdev->control_work, &control_work_handler);
nr_added_bufs = fill_queue(portdev->c_ivq,
&portdev->c_ivq_lock);