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

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Message-ID: <20061203164109.4c260592@localhost.localdomain>
Date:	Sun, 3 Dec 2006 16:41:09 +0000
From:	Alan <alan@...rguk.ukuu.org.uk>
To:	"Robert P. J. Day" <rpjday@...dspring.com>
Cc:	Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fs: Convert kmalloc()+memset() combo to kzalloc().

>  	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.

Alan
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