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[PATCH 1/2] [media] cx25821: Drop Freeing of Workqueue

Started byBhaktipriya Shridhar <bhaktipriya96@gmail.com>
First post2016-07-16 11:20 +0200
Last post2016-07-19 02:00 +0200
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  [PATCH 1/2] [media] cx25821: Drop Freeing of Workqueue Bhaktipriya Shridhar <bhaktipriya96@gmail.com> - 2016-07-16 11:20 +0200
    Re: [PATCH 1/2] [media] cx25821: Drop Freeing of Workqueue Tejun Heo <tj@kernel.org> - 2016-07-19 02:00 +0200

#1444789 — [PATCH 1/2] [media] cx25821: Drop Freeing of Workqueue

FromBhaktipriya Shridhar <bhaktipriya96@gmail.com>
Date2016-07-16 11:20 +0200
Subject[PATCH 1/2] [media] cx25821: Drop Freeing of Workqueue
Message-ID<rVtVn-1W3-3@gated-at.bofh.it>
Workqueues shouldn't be freed. destroy_workqueue should be used instead.
destroy_workqueue safely destroys a workqueue and ensures that all pending
work items are done before destroying the workqueue.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
---
 drivers/media/pci/cx25821/cx25821-audio-upstream.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/pci/cx25821/cx25821-audio-upstream.c b/drivers/media/pci/cx25821/cx25821-audio-upstream.c
index 68dbc2d..05bd957 100644
--- a/drivers/media/pci/cx25821/cx25821-audio-upstream.c
+++ b/drivers/media/pci/cx25821/cx25821-audio-upstream.c
@@ -242,7 +242,7 @@ void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
 	dev->_audioframe_count = 0;
 	dev->_audiofile_status = END_OF_FILE;

-	kfree(dev->_irq_audio_queues);
+	destroy_workqueue(dev->_irq_audio_queues);
 	dev->_irq_audio_queues = NULL;

 	kfree(dev->_audiofilename);
--
2.1.4

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#1445941

FromTejun Heo <tj@kernel.org>
Date2016-07-19 02:00 +0200
Message-ID<rWqC5-4yl-7@gated-at.bofh.it>
In reply to#1444789
On Sat, Jul 16, 2016 at 02:41:49PM +0530, Bhaktipriya Shridhar wrote:
> Workqueues shouldn't be freed. destroy_workqueue should be used instead.
> destroy_workqueue safely destroys a workqueue and ensures that all pending
> work items are done before destroying the workqueue.
> 
> Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>

Acked-by: Tejun Heo <tj@kernel.org>

This needs to be marked for stable.

Thanks.

-- 
tejun

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