[media] cec-adap: on reply, restore the tx_status value from the transmit

When a reply to an earlier transmit is received, the tx_status of that
transmit needs to be restored. Otherwise the status that the transmit
was successful would be lost.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/staging/media/cec/cec-adap.c

@@ -801,6 +801,7 @@ void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg)
 
 			/* We got a reply */
 			msg->sequence = dst->sequence;
+			msg->tx_status = dst->tx_status;
 			dst_reply = dst->reply;
 			*dst = *msg;
 			dst->reply = dst_reply;