linux-kernel - Re: [PATCH 2/5] kernfs: implement kernfs_walk_and

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Date:	Tue, 17 Nov 2015 16:22:26 -0500
From:	Tejun Heo <tj@...nel.org>
To:	David Miller <davem@...emloft.net>
Cc:	pablo@...filter.org, kaber@...sh.net, kadlec@...ckhole.kfki.hu,
	lizefan@...wei.com, hannes@...xchg.org, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org, coreteam@...filter.org,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-team@...com, daniel@...earbox.net,
	daniel.wagner@...-carit.de, nhorman@...driver.com,
	gregkh@...uxfoundation.org
Subject: Re: [PATCH 2/5] kernfs: implement kernfs_walk_and_get()

On Tue, Nov 17, 2015 at 04:20:40PM -0500, David Miller wrote:
> From: Tejun Heo <tj@...nel.org>
> Date: Tue, 17 Nov 2015 14:40:37 -0500
> 
> > +	static char path_buf[PATH_MAX];	/* protected by kernfs_mutex */
> > +	int len = strlen(path);
>  ...
> > +	if (len >= PATH_MAX)
> > +		return NULL;
> > +
> > +	memcpy(path_buf, path, len + 1);
> 
> 	static char path_buf[PATH_MAX];	/* protected by kernfs_mutex */
> 	int len = strlcpy(path_buf, path, PATH_MAX);
>  ...
> 	if (len >= PATH_MAX)
> 		return NULL;

That's a lot better.  Will update.

Thanks.

-- 
tejun
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