greybus: gb-beagleplay: Ensure le for values in transport

Ensure that the following values are little-endian:
- header->pad (which is used for cport_id)
- header->size

Fixes: ec558bb ("greybus: Add BeaglePlay Linux Driver")
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/r/[email protected]/
Signed-off-by: Ayush Singh <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Ayush1325

drivers/greybus/gb-beagleplay.c

@@ -93,9 +93,9 @@ static void hdlc_rx_greybus_frame(struct gb_beagleplay *bg, u8 *buf, u16 len)
 	memcpy(&cport_id, hdr->pad, sizeof(cport_id));
 
 	dev_dbg(&bg->sd->dev, "Greybus Operation %u type %X cport %u status %u received",
-		hdr->operation_id, hdr->type, cport_id, hdr->result);
+		hdr->operation_id, hdr->type, le16_to_cpu(cport_id), hdr->result);
 
-	greybus_data_rcvd(bg->gb_hd, cport_id, buf, len);
+	greybus_data_rcvd(bg->gb_hd, le16_to_cpu(cport_id), buf, len);
 }
 
 static void hdlc_rx_dbg_frame(const struct gb_beagleplay *bg, const char *buf, u16 len)
@@ -340,14 +340,15 @@ static int gb_message_send(struct gb_host_device *hd, u16 cport, struct gb_messa
 {
 	struct gb_beagleplay *bg = dev_get_drvdata(&hd->dev);
 	struct hdlc_payload payloads[2];
+	__le16 cport_id = le16_to_cpu(cport);
 
 	dev_dbg(&hd->dev, "Sending greybus message with Operation %u, Type: %X on Cport %u",
 		msg->header->operation_id, msg->header->type, cport);
 
-	if (msg->header->size > RX_HDLC_PAYLOAD)
+	if (le16_to_cpu(msg->header->size) > RX_HDLC_PAYLOAD)
 		return dev_err_probe(&hd->dev, -E2BIG, "Greybus message too big");
 
-	memcpy(msg->header->pad, &cport, sizeof(cport));
+	memcpy(msg->header->pad, &cport_id, sizeof(cport_id));
 
 	payloads[0].buf = msg->header;
 	payloads[0].len = sizeof(*msg->header);