target: Fix target_submit_tmr LUN lookup failures

This patch changes target_submit_tmr() LUN lookup failures to set response
status TMR_LUN_DOES_NOT_EXIST and invoke TFO->queue_tm_rsp(), instead of
sending CHECK_CONDITION status that can cause problems with Linux FCoE
clients.

Tested with tcm_fc ports and explict LUN_RESET lookup failures.

Cc: Andy Grover <agrover@redhat.com>
Cc: Kiran Patil <kiran.patil@intel.com>
Cc: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

drivers/target/target_core_transport.c

@@ -1733,8 +1733,8 @@ void target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
 
 	ret = transport_lookup_tmr_lun(se_cmd, unpacked_lun);
 	if (ret) {
-		transport_send_check_condition_and_sense(se_cmd,
-			se_cmd->scsi_sense_reason, 0);
+		se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST;
+		se_cmd->se_tfo->queue_tm_rsp(se_cmd);
 		transport_generic_free_cmd(se_cmd, 0);
 		return;
 	}