From: Sagi Grimberg <sagig@mellanox.com>
Date: Mon, 15 Dec 2014 13:08:54 +0000 (+0200)
Subject: iscsi-target: nullify session in failed login sequence
X-Git-Tag: firefly_0821_release~176^2~2611^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a0b3b9b2409b409c677f7eb1e0485b816a5848f7;p=firefly-linux-kernel-4.4.55.git

iscsi-target: nullify session in failed login sequence

In case login sequence failed, make sure conn->sess is
NULL before calling wait_conn as some transports (iser)
may rely on that (waiting for session commands).

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 18e2601527df..713c0c1877ab 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -1159,6 +1159,7 @@ void iscsi_target_login_sess_out(struct iscsi_conn *conn,
 	}
 	kfree(conn->sess->sess_ops);
 	kfree(conn->sess);
+	conn->sess = NULL;
 
 old_sess_out:
 	iscsi_stop_login_thread_timer(np);