From: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Date: Tue, 9 Aug 2011 13:18:01 +0000 (-0500)
Subject: [SCSI] hpsa: fix physical device lun and target numbering problem
X-Git-Tag: v3.1-rc7~62^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01350d05539d1c95ef3568d062d864ab76ae7670;p=pandora-kernel.git

[SCSI] hpsa: fix physical device lun and target numbering problem

If a physical device exposed to the OS by hpsa
is replaced (e.g. one hot plug tape drive is replaced
by another, or a tape drive is placed into "OBDR" mode
in which it acts like a CD-ROM device) and a rescan is
initiated, the replaced device will be added to the
SCSI midlayer with target and lun numbers set to -1.
After that, a panic is likely to ensue.  When a physical
device is replaced, the lun and target number should be
preserved.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Cc: stable@kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

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