linux-kernel - Re: [PATCH] intel-iommu fixes

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Message-Id: <200711152314.33973.vda.linux@googlemail.com>
Date:	Thu, 15 Nov 2007 23:14:33 -0800
From:	Denys Vlasenko <vda.linux@...glemail.com>
To:	Al Viro <viro@....linux.org.uk>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	anil.s.keshavamurthy@...el.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] intel-iommu fixes

On Sunday 28 October 2007 21:51, Al Viro wrote:
> -#define MAX_FAULT_REASON_IDX 	ARRAY_SIZE(fault_reason_strings)
> +#define MAX_FAULT_REASON_IDX 	ARRAY_SIZE(fault_reason_strings) - 1

The macro is unsafe without yet another ()s around it.
--
vda
-
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