linux-kernel - Re: [PATCH] drivers: Conversions from kmalloc+memset to k(z|c)alloc.

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Date:	Wed, 19 Jul 2006 11:38:27 +0300
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Daniel K." <daniel@...ded.net>
Cc:	"Panagiotis Issaris" <takis@...umba.uhasselt.be>,
	linux-kernel@...r.kernel.org, len.brown@...el.com,
	chas@....nrl.navy.mil, miquel@...uba.ar, kkeil@...e.de,
	benh@...nel.crashing.org, video4linux-list@...hat.com,
	rmk+mmc@....linux.org.uk, Neela.Kolli@...enio.com,
	jgarzik@...ox.com, vandrove@...cvut.cz, adaplas@....net,
	thomas@...ischhofer.net, weissg@...nna.at, philb@....org,
	linux-pcmcia@...ts.infradead.org, jkmaline@...hut.fi,
	paulus@...ba.org
Subject: Re: [PATCH] drivers: Conversions from kmalloc+memset to k(z|c)alloc.

On 7/19/06, Daniel K. <daniel@...ded.net> wrote:
> > diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
> > index 5ff269f..ca0e9f2 100644
> > --- a/drivers/serial/ip22zilog.c
> > +++ b/drivers/serial/ip22zilog.c
> > @@ -925,11 +925,7 @@ static int zilog_irq = -1;
> >  static void * __init alloc_one_table(unsigned long size)
> >  {
> >       void *ret;
> > -
> > -     ret = kmalloc(size, GFP_KERNEL);
> > -     if (ret != NULL)
> > -             memset(ret, 0, size);
> > -
> > +     ret = kzalloc(size, GFP_KERNEL);
> >       return ret;
> >  }
>
> And here as well.
>
> What is preferred by developers?

That you kill useless wrappers and type casts.
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