scsi: qla2xxx: Clear loop id after delete

commit ba743f9148e951abe1c94f89c174ec8e44fb145b upstream.

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>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index ac2b7ac..37004ec 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -974,7 +974,7 @@ static void qlt_free_session_done(struct work_struct *work)
                        qlt_send_first_logo(vha, &logo);
                }
 
-               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);
@@ -1033,8 +1033,7 @@ static void qlt_free_session_done(struct work_struct *work)
                sess->login_succ = 0;
        }
 
-       if (sess->chip_reset != ha->base_qpair->chip_reset)
-               qla2x00_clear_loop_id(sess);
+       qla2x00_clear_loop_id(sess);
 
        if (sess->conflict) {
                sess->conflict->login_pause = 0;
@@ -4588,9 +4587,9 @@ 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);
                        }