linux-kernel - Re: [PATCH] fs: Convert kmalloc()+memset() combo to kzalloc().

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Message-ID: <Pine.LNX.4.64.0612031139570.4559@localhost.localdomain>
Date:	Sun, 3 Dec 2006 11:40:07 -0500 (EST)
From:	"Robert P. J. Day" <rpjday@...dspring.com>
To:	Alan <alan@...rguk.ukuu.org.uk>
cc:	Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fs: Convert kmalloc()+memset() combo to kzalloc().

On Sun, 3 Dec 2006, Alan wrote:

> >  	if (!p) {
> > -		p = kmalloc(sizeof(*p), GFP_KERNEL);
> > +		p = kzalloc(sizeof(*p), GFP_KERNEL);
> >  		if (!p)
> >  			return -ENOMEM;
> >  		file->private_data = p;
> >  	}
> > -	memset(p, 0, sizeof(*p));
> >  	mutex_init(&p->lock);
> >  	p->op = op;
>
>
> NAK
>
> If p was already set (ie private data existed) the old code zeroed it,
> your code does not, but only zeroes the new stuff.

whoops, sorry, my bad.

rday
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