linux-kernel - Re: [PATCH 09/30] mtd: Don't cast kmalloc() return value in drivers/mtd/maps/pmcmsp-flash.c

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Message-ID: <9a8748490708240348q5317d013kc4148897b0871c75@mail.gmail.com>
Date:	Fri, 24 Aug 2007 12:48:54 +0200
From:	"Jesper Juhl" <jesper.juhl@...il.com>
To:	"Denys Vlasenko" <vda.linux@...glemail.com>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"David Woodhouse" <dwmw2@...radead.org>,
	linux-mtd@...ts.infradead.org
Subject: Re: [PATCH 09/30] mtd: Don't cast kmalloc() return value in drivers/mtd/maps/pmcmsp-flash.c

On 24/08/07, Denys Vlasenko <vda.linux@...glemail.com> wrote:
> On Friday 24 August 2007 00:52, Jesper Juhl wrote:
> > kmalloc() returns a void pointer.
> > No need to cast it.
>
> > -     msp_flash = (struct mtd_info **)kmalloc(
> > -                     fcnt * sizeof(struct map_info *), GFP_KERNEL);
> > -     msp_parts = (struct mtd_partition **)kmalloc(
> > -                     fcnt * sizeof(struct mtd_partition *), GFP_KERNEL);
> > -     msp_maps = (struct map_info *)kmalloc(
> > -                     fcnt * sizeof(struct mtd_info), GFP_KERNEL);
> > +     msp_flash = kmalloc(fcnt * sizeof(struct map_info *), GFP_KERNEL);
> > +     msp_parts = kmalloc(fcnt * sizeof(struct mtd_partition *), GFP_KERNEL);
> > +     msp_maps = kmalloc(fcnt * sizeof(struct mtd_info), GFP_KERNEL);
> >       memset(msp_maps, 0, fcnt * sizeof(struct mtd_info));
>
> This one wants kzalloc.
>
> > -             msp_parts[i] = (struct mtd_partition *)kmalloc(
> > -                     pcnt * sizeof(struct mtd_partition), GFP_KERNEL);
> > +             msp_parts[i] = kmalloc(pcnt * sizeof(struct mtd_partition),
> > +                     GFP_KERNEL);
> >               memset(msp_parts[i], 0, pcnt * sizeof(struct mtd_partition));
> >
> >               /* now initialize the devices proper */
>
> Same

Ok, thank you for that feedback.
 I'll respin the patch with that change when I resubmit all the ones
that don't get picked up (probably next week).

-- 
Jesper Juhl <jesper.juhl@...il.com>
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