From f0c0b3a9e6f28a34d6da5edabba1e874fdf8e675 Mon Sep 17 00:00:00 2001
From: Wolfgang Denk <wd@denx.de>
Date: Wed, 4 May 2011 10:32:28 +0000
Subject: Fix incorrect use of getenv() before relocation

A large number of boards incorrectly used getenv() in their board init
code running before relocation.  In some cases this caused U-Boot to
hang when certain environment variables grew too long.
Fix the code to use getenv_r().

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Stefan Roese <sr@denx.de>
Cc: The LEOX team <team@leox.org>
Cc: Michael Schwingen <michael@schwingen.org>
Cc: Georg Schardt <schardt@team-ctech.de>
Cc: Werner Pfister <Pfister_Werner@intercontrol.de>
Cc: Dirk Eibach <eibach@gdsys.de>
Cc: Peter De Schrijver <p2@mind.be>
Cc: John Zhan <zhanz@sinovee.com>
Cc: Rishi Bhattacharya <rishi@ti.com>
Cc: Peter Tyser <ptyser@xes-inc.com>
---
 board/ixdp425/ixdp425.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'board/ixdp425/ixdp425.c')

diff --git a/board/ixdp425/ixdp425.c b/board/ixdp425/ixdp425.c
index 43ac8f6a42..a29d584389 100644
--- a/board/ixdp425/ixdp425.c
+++ b/board/ixdp425/ixdp425.c
@@ -83,7 +83,8 @@ int board_init (void)
  */
 int checkboard(void)
 {
-	char *s = getenv("serial#");
+	char buf[64];
+	int i = getenv_f("serial#", buf, sizeof(buf));
 
 #ifdef CONFIG_IXDPG425
 	puts("Board: IXDPG425 - Intel Network Gateway Reference Platform");
@@ -91,9 +92,9 @@ int checkboard(void)
 	puts("Board: IXDP425 - Intel Development Platform");
 #endif
 
-	if (s != NULL) {
+	if (i > 0) {
 		puts(", serial# ");
-		puts(s);
+		puts(buf);
 	}
 	putc('\n');
 
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