qla2xxx: Clear loop id after delete

Orabug: 27235104

clear loop id after delete to prevent session invalidation
of stale session.

Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
[ Upstream commit ba743f9148e951abe1c94f89c174ec8e44fb145b ]
Signed-off-by: Somasundaram Krishnasamy <somasundaram.krishnasamy@oracle.com>
Reviewed-by: Jack Vogel <jack.vogel@oracle.com>

diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 7f8da2f2fe8e3580eec7dca2a3cfb08becc8cf6c..646dca116dc01bb8d71812e5236f476522193c72 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -948,7 +948,7 @@ static void qlt_free_session_done(struct work_struct *work)
                        sess->send_els_logo = 0;
                }
 
-               if (sess->logout_on_delete) {
+               if (sess->logout_on_delete && sess->loop_id != FC_NO_LOOP_ID) {
                        int rc;
 
                        rc = qla2x00_post_async_logout_work(vha, sess, NULL);
@@ -1007,8 +1007,7 @@ static void qlt_free_session_done(struct work_struct *work)
                sess->login_succ = 0;
        }
 
-       if (sess->chip_reset != sess->vha->hw->chip_reset)
-               qla2x00_clear_loop_id(sess);
+       qla2x00_clear_loop_id(sess);
 
        if (sess->conflict) {
                sess->conflict->login_pause = 0;
@@ -4382,9 +4381,9 @@ qlt_find_sess_invalidate_other(scsi_qla_host_t *vha, uint64_t wwn,
                                    "Invalidating sess %p loop_id %d wwn %llx.\n",
                                    other_sess, other_sess->loop_id, other_wwn);
 
-
                                other_sess->keep_nport_handle = 1;
-                               *conflict_sess = other_sess;
+                               if (other_sess->disc_state != DSC_DELETED)
+                                       *conflict_sess = other_sess;
                                qlt_schedule_sess_for_deletion(other_sess,
                                    true);
                        }