linux-kernel - Re: [PATCH -v2 1/2] VM/SELinux: require CAP_SYS_RAWIO for all mmap

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Date:	Wed, 22 Jul 2009 19:23:27 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Eric Paris <eparis@...hat.com>
cc:	linux-kernel@...r.kernel.org, selinux@...ho.nsa.gov,
	linux-security-module@...r.kernel.org, sds@...ho.nsa.gov,
	spender@...ecurity.net, dwalsh@...hat.com, cl@...ux-foundation.org,
	arjan@...radead.org, alan@...rguk.ukuu.org.uk, kyle@...artin.ca,
	cpardy@...hat.com, arnd@...db.de
Subject: Re: [PATCH -v2 1/2] VM/SELinux: require CAP_SYS_RAWIO for all
 mmap_zero operations

On Tue, 21 Jul 2009, Eric Paris wrote:

> +
> +	if ((addr < mmap_min_addr) && !capable(CAP_SYS_RAWIO))
> +		return -EACCES;

Please make this check a static inline.  Less chance of someone breaking 
it, or it having some subtle bug, and easier to maintain.

>  	address &= PAGE_MASK;
> +

Whitespace leak.


- James
-- 
James Morris
<jmorris@...ei.org>
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