From 3ae279d25954de47c704ca713a2711ac10fcd1ee Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Wed, 9 Feb 2011 15:34:36 -0800
Subject: [PATCH] [SCSI] target: iblock/pscsi claim checking for NULL instead
 of IS_ERR

blkdev_get_by_path() returns an ERR_PTR() or error and it doesn't return
a NULL.  It looks like this bug would be easy to trigger by mistake.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Reading git-format-patch failed