From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Sat, 25 Feb 2012 09:30:55 +0000 (-0800)
Subject: target: Fix target_submit_tmr LUN lookup failures
X-Git-Tag: firefly_0821_release~3680^2~3307^2~24
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3de55ec74aa803d7aa1e581700086d755c2599d2;p=firefly-linux-kernel-4.4.55.git

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>
---

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index b79c6a2824ee..d44cbc2113e5 100644
--- a/drivers/target/target_core_transport.c
+++ b/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;
 	}