linux-kernel - [PATCH 5.8 60/85] scsi: target: Fix lun lookup for TARGET_SCF_LOOKUP_LUN_FROM

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Message-Id: <20201005142117.611099488@linuxfoundation.org>
Date:   Mon,  5 Oct 2020 17:26:56 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Martin Wilck <mwilck@...e.com>,
        Mike Christie <michael.christie@...cle.com>,
        Sudhakar Panneerselvam <sudhakar.panneerselvam@...cle.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.8 60/85] scsi: target: Fix lun lookup for TARGET_SCF_LOOKUP_LUN_FROM_TAG case

From: Sudhakar Panneerselvam <sudhakar.panneerselvam@...cle.com>

[ Upstream commit 149415586243bd0ea729760fb6dd7b3c50601871 ]

transport_lookup_tmr_lun() uses "orig_fe_lun" member of struct se_cmd for
the lookup. Hence, update this field directly for the
TARGET_SCF_LOOKUP_LUN_FROM_TAG case.

Link: https://lore.kernel.org/r/1600300471-26135-1-git-send-email-sudhakar.panneerselvam@oracle.com
Fixes: a36840d80027 ("target: Initialize LUN in transport_init_se_cmd()")
Reported-by: Martin Wilck <mwilck@...e.com>
Reviewed-by: Mike Christie <michael.christie@...cle.com>
Signed-off-by: Sudhakar Panneerselvam <sudhakar.panneerselvam@...cle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/target/target_core_transport.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index e6e1fa68de542..94f4f05b5002c 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1840,7 +1840,8 @@ int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
 	 * out unpacked_lun for the original se_cmd.
 	 */
 	if (tm_type == TMR_ABORT_TASK && (flags & TARGET_SCF_LOOKUP_LUN_FROM_TAG)) {
-		if (!target_lookup_lun_from_tag(se_sess, tag, &unpacked_lun))
+		if (!target_lookup_lun_from_tag(se_sess, tag,
+						&se_cmd->orig_fe_lun))
 			goto failure;
 	}
 
-- 
2.25.1