netdev - Re: [PATCH] staging: r8712u: Fix kernel warning for improper call of del_timer

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Date:	Mon, 25 May 2015 10:12:50 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	haggai.eran@...il.com
Cc:	gregkh@...uxfoundation.org, netdev@...r.kernel.org,
	devel@...verdev.osuosl.org, linux-wireless@...r.kernel.org,
	Stable <stable@...r.kernel.org>,
	Arek Rusniak <arek.rusi@...il.com>,
	Larry Finger <Larry.Finger@...inger.net>
Subject: Re: [PATCH] staging: r8712u: Fix kernel warning for improper call of
 del_timer_sync()

>I haven't been using kernel v4.1 so I haven't seen this warning, but looking
>at the code it seems to originate from the two recent patches to remove
>_cancel_timer and _cancel_timer_ex. I see that there's another patch in lkml [1]
>that changes del_timer_sync back to del_timer in more places. Perhaps it
>could prevent other warnings like this in the future.

_cancel_timer and _cancel_timer_ex both were internally using del_timer,
and the issue was reported in bugzilla. I have given the reference of the
bugzilla in my patch in lkml.
I have changed the reference of del_timer_sync to del_timer in all places
which were in interrupt context, in some places it was not removed as
those were not in interrupt context.

regards
sudip
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