From 658a5957747cd3f2d1d90f4983fec28a116851cd Mon Sep 17 00:00:00 2001
From: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Date: Tue, 28 May 2013 08:26:04 +0200
Subject: apalis/colibri_t20/30: fix overflow in HCD conversion

Fix possible overflow condition in serial number to hexadecimal coded
decimal conversion routine.
---
 board/toradex/common/board.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/board/toradex/common/board.c b/board/toradex/common/board.c
index 3502d085c0..934266ef6a 100644
--- a/board/toradex/common/board.c
+++ b/board/toradex/common/board.c
@@ -736,12 +736,11 @@ void get_board_serial(struct tag_serialnr *serialnr)
 			array[i--] = serial % 10;
 			serial /= 10;
 		}
-		serial = 0;
-		for (i = 0; i < 8; i++) {
-			serial += array[i];
+		serial = array[0];
+		for (i = 1; i < 8; i++) {
 			serial *= 16;
+			serial += array[i];
 		}
-		serial /= 16;
 	}
 
 	serialnr->low = serial;
-- 
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