linux-kernel - [PATCH 2/2] pm80xx: Avoid leaking tags when processing OPC_INB_SET_CONTROLLER

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Message-ID: <20230913155611.3183612-2-mge@meta.com>
Date:   Wed, 13 Sep 2023 08:56:11 -0700
From:   Michal Grzedzicki <mge@...a.com>
To:     Michal Grzedzicki <mge@...a.com>
CC:     <jinpu.wang@...ud.ionos.com>, <jejb@...ux.ibm.com>,
        <martin.petersen@...cle.com>, <linux-scsi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Jack Wang <jinpu.wang@...os.com>
Subject: [PATCH 2/2] pm80xx: Avoid leaking tags when processing OPC_INB_SET_CONTROLLER_CONFIG command

Tags allocated for OPC_INB_SET_CONTROLLER_CONFIG command need to be freed
when we receive the response.

Fixes: f5860992db55 ("[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files")
Fixes: a6cb3d012b98 ("[SCSI] pm80xx: thermal, sas controller config and error handling update")
Signed-off-by: Michal Grzedzicki <mge@...a.com>
Acked-by: Jack Wang <jinpu.wang@...os.com>
---
 drivers/scsi/pm8001/pm80xx_hwi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index 1b2c40b1381c..3afd9443c425 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -3671,10 +3671,12 @@ static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
 			(struct set_ctrl_cfg_resp *)(piomb + 4);
 	u32 status = le32_to_cpu(pPayload->status);
 	u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
+	u32 tag = le32_to_cpu(pPayload->tag);
 
 	pm8001_dbg(pm8001_ha, MSG,
 		   "SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
 		   status, err_qlfr_pgcd);
+	pm8001_tag_free(pm8001_ha, tag);
 
 	return 0;
 }
-- 
2.34.1