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Date: Mon, 19 Jan 2015 21:20:47 +0300
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Brian Norris <computersforpeace@gmail.com>
Subject: Re: [PATCH] MTD: Deletion of checks before the function call "iounmap"
Message-ID: <20150119182047.GG6456@mwanda>
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Cc: kernel-janitors@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
 Julia Lawall <julia.lawall@lip6.fr>, Kyungmin Park <kyungmin.park@samsung.com>,
 linux-mtd@lists.infradead.org, David Woodhouse <dwmw2@infradead.org>,
 SF Markus Elfring <elfring@users.sourceforge.net>
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The sparc iounmap() implementation in arch/sparc/kernel/ioport.c looks
it prints an error message if you pass a NULL pointer.

regards,
dan carpenter