From: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit 4f6e24ed9de8634d6471ef86b382cba6d4e57ca8 upstream.
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@xxxxxxxxxx>
Reviewed-by: Amit Shah <amit.shah@xxxxxxxxxx>
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/char/virtio_console.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index b79cf3e1b793..4d5fcc2d6c9c 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -2030,12 +2030,13 @@ static int virtcons_probe(struct virtio_device *vdev)
spin_lock_init(&portdev->ports_lock);
INIT_LIST_HEAD(&portdev->ports);
+ 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);
--
2.3.4
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