linux-kernel - Re: [PATCH] HID: usbhid: get/put around clearing needs_remote

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Message-ID: <Pine.LNX.4.44L0.1411131710200.4266-100000@iolanthe.rowland.org>
Date:	Thu, 13 Nov 2014 17:11:15 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Benson Leung <bleung@...omium.org>
cc:	johan@...nel.org, Jiri Kosina <jkosina@...e.cz>,
	<linux-usb@...r.kernel.org>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sameer Nanda <snanda@...omium.org>
Subject: Re: [PATCH] HID: usbhid: get/put around clearing needs_remote_wakeup

On Thu, 13 Nov 2014, Benson Leung wrote:

> On Thu, Nov 13, 2014 at 1:18 PM, Alan Stern <stern@...land.harvard.edu> wrote:
> > If you interchange the two lines then the flag _will_ be cleared before
> > usb_kill_urb() and autosuspend_check() can run.  This means your patch
> > description is bogus.
> 
> Gotcha. v2 posted. Thanks for the direction.

Wait a minute -- in your previous email you said this approach didn't 
work.  So does it work or doesn't it?

Alan Stern

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