linux-kernel - [PATCH 3.19 043/123] virtio_console: init work unconditionally

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Date:	Tue, 24 Mar 2015 16:45:52 +0100
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, "Michael S. Tsirkin" <mst@...hat.com>,
	Amit Shah <amit.shah@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: [PATCH 3.19 043/123] virtio_console: init work unconditionally

3.19-stable review patch.  If anyone has any objections, please let me know.

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

From: "Michael S. Tsirkin" <mst@...hat.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@...hat.com>
Reviewed-by: Amit Shah <amit.shah@...hat.com>
Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/char/virtio_console.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -2031,12 +2031,13 @@ static int virtcons_probe(struct virtio_
 
 	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);


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