netdev - Re: [PATCH 1/1] net-PA Semi: Deletion of unnecessary checks before the function call "pci_dev

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Message-ID: <CAOesGMi+=ue34aQcDH0wPBjrvi+3cSJG1=m9fbj+tgds_twkPg@mail.gmail.com>
Date:	Mon, 1 Dec 2014 12:36:33 -0800
From:	Olof Johansson <olof@...om.net>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:	Network Development <netdev@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH 1/1] net-PA Semi: Deletion of unnecessary checks before
 the function call "pci_dev_put"

On Sat, Nov 29, 2014 at 10:00 AM, SF Markus Elfring
<elfring@...rs.sourceforge.net> wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sat, 29 Nov 2014 18:55:40 +0100
>
> The pci_dev_put() function tests whether its argument is NULL
> and then returns immediately. Thus the test around the call
> is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>

For this particular case:

Acked-by: Olof Johansson <olof@...om.net>

Note that the "this might cause problems with backports" case is
mostly academic in the scope of _this particular driver_. It's still a
very valid discussion and issue though.

So I'll be happy to give the ack on this driver, but the larger
problem needs consideration still.


-Olof
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