linux-kernel - Re: [PATCH] HID: roccat: Drop cast

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Message-ID: <alpine.DEB.2.02.1406270729110.2016@localhost6.localdomain6>
Date:	Fri, 27 Jun 2014 07:29:39 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Joe Perches <joe@...ches.com>
cc:	Himangi Saraogi <himangi774@...il.com>,
	Stefan Achatz <erazor_de@...rs.sourceforge.net>,
	Jiri Kosina <jkosina@...e.cz>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: roccat: Drop cast



On Thu, 26 Jun 2014, Joe Perches wrote:

> On Thu, 2014-06-26 at 22:58 +0530, Himangi Saraogi wrote:
> > This patch removes the cast on data of type void* as it is not needed.
> 
> Hi Himangi
> 
> The cast of a const void * to a void * was odd.
> 
> Maybe a mechanism to verify appropriateness of
> loss of constness for any pointer might be useful.

I tried the following, but didn't find anything interesting:

@disable drop_cast@
type T;
const T e;
@@

* (T)e

julia
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