Patch "HID: elo: kill not flush the work" has been added to the 4.6-stable tree

Patch "HID: elo: kill not flush the work" has been added to the 4.6-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    HID: elo: kill not flush the work

to the 4.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     hid-elo-kill-not-flush-the-work.patch
and it can be found in the queue-4.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From ed596a4a88bd161f868ccba078557ee7ede8a6ef Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@suse.com>
Date: Tue, 31 May 2016 14:48:15 +0200
Subject: HID: elo: kill not flush the work

From: Oliver Neukum <oneukum@suse.com>

commit ed596a4a88bd161f868ccba078557ee7ede8a6ef upstream.

Flushing a work that reschedules itself is not a sensible operation. It needs
to be killed. Failure to do so leads to a kernel panic in the timer code.

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/hid/hid-elo.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hid/hid-elo.c
+++ b/drivers/hid/hid-elo.c
@@ -261,7 +261,7 @@ static void elo_remove(struct hid_device
 	struct elo_priv *priv = hid_get_drvdata(hdev);
 
 	hid_hw_stop(hdev);
-	flush_workqueue(wq);
+	cancel_delayed_work_sync(&priv->work);
 	kfree(priv);
 }
 


Patches currently in stable-queue which might be from oneukum@suse.com are

queue-4.6/hid-elo-kill-not-flush-the-work.patch