linux-kernel - Re: [PATCH staging] dgnc: remove useless cast on kzalloc()

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Message-ID: <20130927050958.GA23339@localhost>
Date:	Fri, 27 Sep 2013 13:09:58 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Lidza Louina <lidza.louina@...il.com>, kbuild-all@...org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH staging] dgnc: remove useless cast on kzalloc()

On Thu, Sep 26, 2013 at 09:27:57AM -0700, Greg KH wrote:
> On Thu, Sep 26, 2013 at 10:12:23AM +0800, Fengguang Wu wrote:
> > drivers/staging/dgnc/dgnc_driver.c:510:3-7: WARNING: casting value returned by k[cmz]alloc to (char *) is useless.
> > drivers/staging/dgnc/dgnc_driver.c:502:2-19: WARNING: casting value returned by k[cmz]alloc to (struct dgnc_board *) is useless.
> > 
> >  Casting (void *) value returned by kmalloc is useless
> >  as mentioned in Documentation/CodingStyle, Chap 14.
> > 
> > Generated by: coccinelle/api/alloc/drop_kmalloc_cast.cocci
> > 
> > CC: Lidza Louina <lidza.louina@...il.com>
> > CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
> > ---
> > 
> >  drivers/staging/dgnc/dgnc_driver.c |    4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> As Jingoo sent this a few minutes before you did, and also cleaned up
> another cast that you missed, I've added your signed-off-by to his
> patch, as they were the same (although yours didn't apply and his
> did...)

That'd be good, thanks!

Regards,
Fengguang
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