linux-kernel - Re: [PATCH 10/14] drivers/isdn: delete double assignment

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Message-Id: <20101027.122438.191405610.davem@davemloft.net>
Date:	Wed, 27 Oct 2010 12:24:38 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	julia@...u.dk
Cc:	wharms@....de, isdn@...ux-pingi.de,
	kernel-janitors@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/14] drivers/isdn: delete double assignment

From: Julia Lawall <julia@...u.dk>
Date: Tue, 26 Oct 2010 14:20:56 +0200 (CEST)

> From: Julia Lawall <julia@...u.dk>
> 
> Delete successive assignments to the same location.  In the first case, the
> hscx array has two elements, so change the assignment to initialize the
> second one.  In the second case, the two assignments are simply identical.
> Furthermore, neither is necessary, because the effect of the assignment is
> only visible in the next line, in the assignment in the if test.  The patch
> inlines the right hand side value in the latter assignment and pulls that
> assignment out of the if test.
> 
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
 ...
> Signed-off-by: Julia Lawall <julia@...u.dk>

Applied.
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