linux-kernel - [PATCH 5.10 043/599] firmware: stratix10-svc: add missing callback parameter on RSU

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Message-Id: <20220405070300.109136732@linuxfoundation.org>
Date:   Tue,  5 Apr 2022 09:25:37 +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, Ang Tien Sung <tien.sung.ang@...el.com>,
        Dinh Nguyen <dinguyen@...nel.org>
Subject: [PATCH 5.10 043/599] firmware: stratix10-svc: add missing callback parameter on RSU

From: Ang Tien Sung <tien.sung.ang@...el.com>

commit b850b7a8b369322adf699ef48ceff4d902525c8c upstream.

Fix a bug whereby, the return response of parameter a1 from an
SMC call is not properly set to the callback data during an
INTEL_SIP_SMC_RSU_ERROR command.

Link: https://lore.kernel.org/lkml/20220216081513.28319-1-tien.sung.ang@intel.com
Fixes: 6b50d882d38d ("firmware: add remote status update client support")
Cc: stable@...r.kernel.org
Signed-off-by: Ang Tien Sung <tien.sung.ang@...el.com>
Signed-off-by: Dinh Nguyen <dinguyen@...nel.org>
Link: https://lore.kernel.org/r/20220223144146.399263-1-dinguyen@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/firmware/stratix10-svc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/firmware/stratix10-svc.c
+++ b/drivers/firmware/stratix10-svc.c
@@ -477,7 +477,7 @@ static int svc_normal_to_secure_thread(v
 		case INTEL_SIP_SMC_RSU_ERROR:
 			pr_err("%s: STATUS_ERROR\n", __func__);
 			cbdata->status = BIT(SVC_STATUS_ERROR);
-			cbdata->kaddr1 = NULL;
+			cbdata->kaddr1 = &res.a1;
 			cbdata->kaddr2 = NULL;
 			cbdata->kaddr3 = NULL;
 			pdata->chan->scl->receive_cb(pdata->chan->scl, cbdata);