linux-kernel - Re: [PATCH] PCI/MSI: fix msi

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Message-Id: <200902090923.51160.jbarnes@virtuousgeek.org>
Date:	Mon, 9 Feb 2009 09:23:50 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	Matthew Wilcox <willy@...ux.intel.com>
Subject: Re: [PATCH] PCI/MSI: fix msi_mask() (rev. 2)

On Sunday, February 8, 2009 7:27 pm Matthew Wilcox wrote:
> On Mon, Feb 09, 2009 at 10:40:55AM +0900, Hidetoshi Seto wrote:
> > The commit bffac3c593eba1f9da3efd0199e49ea6558a40ce ("PCI MSI: Fix
> > undefined shift by 32") does:
>
> I think the commit message could be worded somewhat better, and I think
> I should be credited as the author of the patch.  How about this?
>
> ----
>
> From: Matthew Wilcox <willy@...ux.intel.com>
>
> Hidetoshi Seto points out that commit
> bffac3c593eba1f9da3efd0199e49ea6558a40ce has wrong values in the
> array.  Rather than correct the array, we can just use a bounds check
> and perform the calculation specified in the comment.  As a bonus, this
> will not run off the end of the array if the device specifies an illegal
> value in the MSI capcbility.
>
> Signed-off-by: Matthew Wilcox <willy@...ux.intel.com>
> Signed-off-by: Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>

Applied to my for-linus branch, thanks guys.

-- 
Jesse Barnes, Intel Open Source Technology Center
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