From: Chandra Seetharaman <sekharan@us.ibm.com>
Date: Thu, 17 Jul 2008 00:35:08 +0000 (-0700)
Subject: scsi_dh: Verify "dev" is a sdev before accessing it.
X-Git-Tag: v2.6.27-rc1~1045
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33af79d12e0fa25545d49e86afc67ea8ad5f2f40;p=pandora-kernel.git

scsi_dh: Verify "dev" is a sdev before accessing it.

Before accessing the device data structure in hardware handlers,
make sure it is a indeed a sdev device.

Yinghai Lu <yhlu.kernel@gmail.com> found the bug on Jul 16, 2008,
and later tested/verified the following fix.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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