From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Wed, 30 Nov 2011 08:41:20 +0000 (-0800)
Subject: target: Fix possible NULL pointer with __transport_execute_tasks
X-Git-Tag: v3.3-rc1~7^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40be67f4c588fe2f3e2dbd60ae1f470abc5b6ad8;p=pandora-kernel.git

target: Fix possible NULL pointer with __transport_execute_tasks

This patch makes __transport_execute_tasks() use a local *se_dev
reference to prevent direct se_cmd->se_dev access after
transport_cmd_check_stop() -> transport_add_tasks_from_cmd()
has been called, as in the current implementation we can expect
__transport_execute_tasks() may be called from another context
that may have already completed the I/O.

Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

Reading git-diff-tree failed