From: Matthew Wilcox <matthew@wil.cx>
Date: Mon, 9 Feb 2009 03:27:47 +0000 (-0700)
Subject: PCI/MSI: fix msi_mask() shift fix
X-Git-Tag: v2.6.29-rc6~77^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b49ec37a20bc7eb7178105aadaa8d1ecba825f8;p=pandora-kernel.git

PCI/MSI: fix msi_mask() shift fix

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 capability.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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