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From: Al Viro <viro@ftp.linux.org.uk>
To: Alexey Dobriyan <adobriyan@openvz.org>
Cc: linux-kernel@vger.kernel.org, devel@openvz.org
Subject: Re: Racy /proc creations interfaces
Date: Wed, 27 Dec 2006 13:56:24 +0000	[thread overview]
Message-ID: <20061227135624.GP17561@ftp.linux.org.uk> (raw)
In-Reply-To: <20061227134223.GA6044@localhost.sw.ru>

On Wed, Dec 27, 2006 at 04:42:23PM +0300, Alexey Dobriyan wrote:
> 
>    	struct proc_entry_raw foo_pe_raw = {
> 		.owner = THIS_MODULE,
> 		.name = "foo",
> 		.mode = 0644,
> 		.read_proc = foo_read_proc,
> 		.data = foo_data,
> 		.parent = foo_parent,
> 	};
> 
> 	pde = create_proc_entry(&foo_pe_raw);
> 	if (!pde)
> 		return -ENOMEM;
> 
>    where "struct proc_entry_raw" is cut down version of "struct proc_dir_entry"

Ewwwwwwwwwwwwwww

Please, please no.  Especially not .parent.  If anything, let's add a
helper saying "it's all set up now".  And turn create_proc_entry()
into a macro that would pass THIS_MODULE to underlying function and
call that helper, so that simple cases wouldn't have to bother at all.

  reply	other threads:[~2006-12-27 13:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-27 13:42 Alexey Dobriyan
2006-12-27 13:56 ` Al Viro [this message]
2006-12-28  8:21   ` Alexey Dobriyan
2007-01-15 15:39     ` [PATCH] Fix rmmod/read/write races in /proc entries Alexey Dobriyan
2007-01-23 20:58       ` Andrew Morton
2007-01-24 15:22         ` Alexey Dobriyan

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