From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Carpenter <dan.carpenter@oracle.com>
Subject: Re: [PATCH 1/1] PM-wakeup: Deletion of an unnecessary check before
 the function call "wakeup_source_unregister"
Date: Wed, 19 Nov 2014 16:05:53 +0300
Message-ID: <20141119130553.GN4956@mwanda>
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To: walter harms <wharms@bfs.de>
Cc: SF Markus Elfring <elfring@users.sourceforge.net>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, linux-pm@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org, Julia Lawall <julia.lawall@lip6.fr>

On Wed, Nov 19, 2014 at 01:54:49PM +0100, walter harms wrote:
> device_wakeup_detach returns dev->power.wakeup what is never NULL in this case.
> (not visible here but a few line before exactly this is checked)

Huh?  I don't see a NULL check.

I think you may be confusing "dev->power.can_wakeup" with
"dev->power.wakeup"?

regards,
dan carpenter