linux-kernel - Re: [PATCH 4/4] vti6: delete unneeded call to netdev

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Message-Id: <20140515.165820.1971129599767939900.davem@davemloft.net>
Date:	Thu, 15 May 2014 16:58:20 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	Julia.Lawall@...6.fr
Cc:	steffen.klassert@...unet.com, kernel-janitors@...r.kernel.org,
	herbert@...dor.apana.org.au, kuznet@....inr.ac.ru,
	jmorris@...ei.org, yoshfuji@...ux-ipv6.org, kaber@...sh.net,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] vti6: delete unneeded call to netdev_priv

From: Julia Lawall <Julia.Lawall@...6.fr>
Date: Thu, 15 May 2014 05:43:21 +0200

> From: Julia Lawall <Julia.Lawall@...6.fr>
> 
> Netdev_priv is an accessor function, and has no purpose if its result is
> not used.
> 
> A simplified version of the semantic match that fixes this problem is as
> follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@ local idexpression x; @@
> -x = netdev_priv(...);
> ... when != x
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

Applied.
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