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Subject[PATCH 3.16.y-ckt 014/144] virtio_console: init work unconditionally
Date
3.16.7-ckt10 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Michael S. Tsirkin" <mst@redhat.com>

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@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
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 60aafb8a1f2e..5f6dce6c20fb 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -2024,12 +2024,13 @@ 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);

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