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>

1 files changed, 1 insertions, 0 deletions

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);