linux-kernel - Re: Bisected regression: iterate_fd() selinux change affects flash plugin

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Date:	Mon, 12 Nov 2012 11:57:07 -0500
From:	Pavel Roskin <proski@....org>
To:	Eric Paris <eparis@...isplace.org>
Cc:	Al Viro <viro@...iv.linux.org.uk>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	SE-Linux <selinux@...ho.nsa.gov>
Subject: Re: Bisected regression: iterate_fd() selinux change affects flash
	plugin

Quoting Eric Paris <eparis@...isplace.org>:

> OMG this +1 -1 stuff is nuts...
>
> iterate_fd passes fd+1 instead of the fd for the file?  seriously?
> ewwww.  I see how this patch fixes it, but still, wouldn't some magic
> or negative value for no entries found be better than having to
> understand the crazy logics?

I agree.  -ENOENT is both magic and negative :)

I tend to think now that iterate_fd() should be rewritten before it's too
late and all its current users should be cross-checked against the
code prior to the introduction of iterate_fd().

-- 
Regards,
Pavel Roskin
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