From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Fri, 27 Feb 2015 11:54:13 +0000 (-0800)
Subject: target/pscsi: Fix NULL pointer dereference in get_device_type
X-Git-Tag: omap-for-v4.1/fixes-rc1~291^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=215a8fe4198f607f34ecdbc9969dae783d8b5a61;p=pandora-kernel.git

target/pscsi: Fix NULL pointer dereference in get_device_type

This patch fixes a NULL pointer dereference OOPs with pSCSI backends
within target_core_stat.c code.  The bug is caused by a configfs attr
read if no pscsi_dev_virt->pdv_sd has been configured.

Reported-by: Olaf Hering <olaf@aepfle.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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