From 13cbaa4c2b7bf9f8285e1164d005dbf08244ecd5 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Date: Tue, 2 Nov 2021 12:24:26 +0000
Subject: [PATCH] media: cec: copy sequence field for the reply
Git-commit: 13cbaa4c2b7bf9f8285e1164d005dbf08244ecd5
References: git-fixes
Patch-mainline: v5.16-rc3

When the reply for a non-blocking transmit arrives, the sequence
field for that reply was never filled in, so userspace would have no
way of associating the reply to the original transmit.

Copy the sequence field to ensure that this is now possible.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 0dbacebede1e ([media] cec: move the CEC framework out of staging and to media)
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
 drivers/media/cec/core/cec-adap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/cec/core/cec-adap.c b/drivers/media/cec/core/cec-adap.c
index 79fa36de8a04..cd9cb354dc2c 100644
--- a/drivers/media/cec/cec-adap.c
+++ b/drivers/media/cec/cec-adap.c
@@ -1199,6 +1199,7 @@ void cec_received_msg_ts(struct cec_adapter *adap,
 			if (abort)
 				dst->rx_status |= CEC_RX_STATUS_FEATURE_ABORT;
 			msg->flags = dst->flags;
+			msg->sequence = dst->sequence;
 			/* Remove it from the wait_queue */
 			list_del_init(&data->list);
 
-- 
2.42.0