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

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Date:	Sun, 29 Jun 2014 11:25:49 -0700
From:	Joe Perches <joe@...ches.com>
To:	Julia Lawall <julia.lawall@...6.fr>
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 Sun, 2014-06-29 at 18:34 +0200, Julia Lawall wrote:
> On Thu, 26 Jun 2014, Joe Perches wrote:
> > void func(const void * const p)
> > {
> > 	char *p2 = p;
> > 
> > 	p2[0] = 1;
> > }
> 
> Is this a real example?

No, it's not.

I think I've seen code in the kernel like
	char *p2 = (void *)p;
where p is const and p2 is dereferenced and set.


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