linux-kernel - Re: Q. d_alloc() in pipe(2)

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Date:	Wed, 30 Dec 2009 22:04:18 -0500
From:	Bill Davidsen <davidsen@....com>
To:	hooanon05@...oo.co.jp
CC:	viro@...IV.linux.org.uk, linux-kernel@...r.kernel.org
Subject: Re: Q. d_alloc() in pipe(2)

hooanon05@...oo.co.jp wrote:
> In pipe(2), create_write_pipe() creates a dentry by
> 	struct qstr name = { .name = "" };
> 	d_alloc(root, &name);
> 
> But d_alloc() refers name->len which is uninitialized.
> Isn't it better to replace d_alloc() by d_alloc_name(root, "")?
> 
If readability counts, I would say so. Functionally I don't know, I can't see 
any problems other than it's unobvious.

-- 
Bill Davidsen <davidsen@....com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot
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