From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Wed, 19 Feb 2014 23:32:14 +0000 (+0000)
Subject: iscsi-target: Fix ERL=2 ASYNC_EVENT connection pointer bug
X-Git-Tag: v3.15-rc1~12^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d444edc679e7713412f243b792b1f964e5cff1e1;p=pandora-kernel.git

iscsi-target: Fix ERL=2 ASYNC_EVENT connection pointer bug

This patch fixes a long-standing bug in iscsit_build_conn_drop_async_message()
where during ERL=2 connection recovery, a bogus conn_p pointer could
end up being used to send the ISCSI_OP_ASYNC_EVENT + DROPPING_CONNECTION
notifying the initiator that cmd->logout_cid has failed.

The bug was manifesting itself as an OOPs in iscsit_allocate_cmd() with
a bogus conn_p pointer in iscsit_build_conn_drop_async_message().

Reported-by: Arshad Hussain <arshad.hussain@calsoftinc.com>
Reported-by: santosh kulkarni <santosh.kulkarni@calsoftinc.com>
Cc: <stable@vger.kernel.org> #3.1+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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