Message-ID: <1402761961.2756.12.camel@joe-AO725>
Subject: Re: [PATCH] Coccinelle : Script to detect cast after memory
 allocation
From: Joe Perches <joe@perches.com>
To: Himangi Saraogi <himangi774@gmail.com>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>, Gilles Muller <Gilles.Muller@lip6.fr>,
        Nicolas Palix <nicolas.palix@imag.fr>, Michal Marek <mmarek@suse.cz>,
        cocci@systeme.lip6.fr, linux-kernel@vger.kernel.org
Date: Sat, 14 Jun 2014 09:06:01 -0700
In-Reply-To: <20140614154541.GA4179@himangi-Dell>
References: <20140614154541.GA4179@himangi-Dell>
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On Sat, 2014-06-14 at 21:15 +0530, Himangi Saraogi wrote:
> This script detects cases of use of cast for the value returned by
> kmalloc, kzalloc, kcalloc, kmem_cache_alloc, kmem_cache_zalloc,
> kmem_cache_alloc_node, kmalloc_node and kzalloc_node and removes
> the cast as it is not useful. This Coccinelle script replaces
> drop_kmalloc_cast.cocci as it removes the casting in more limited
> cases of kmalloc, kzalloc and kcalloc.

Perhaps make this more generic for any void *?

Something like:

@@
void *t;
type other;
@@

-       (other *)t
+       t


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