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/xes/xpedite1000/xpedite1000.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

(limited to 'board/xes/xpedite1000')

diff --git a/board/xes/xpedite1000/xpedite1000.c b/board/xes/xpedite1000/xpedite1000.c
index a3534d2..4b0ee92 100644
--- a/board/xes/xpedite1000/xpedite1000.c
+++ b/board/xes/xpedite1000/xpedite1000.c
@@ -112,19 +112,20 @@ int board_early_init_f(void)
 
 int checkboard(void)
 {
-	char *s;
+	char buf[64];
+	int i;
 
 	printf("Board: X-ES %s PMC SBC\n", CONFIG_SYS_BOARD_NAME);
 	printf("       ");
-	s = getenv("board_rev");
-	if (s)
-		printf("Rev %s, ", s);
-	s = getenv("serial#");
-	if (s)
-		printf("Serial# %s, ", s);
-	s = getenv("board_cfg");
-	if (s)
-		printf("Cfg %s", s);
+	i = getenv_f("board_rev", buf, sizeof(buf));
+	if (i > 0)
+		printf("Rev %s, ", buf);
+	i = getenv_f("serial#", buf, sizeof(buf));
+	if (i > 0)
+		printf("Serial# %s, ", buf);
+	i = getenv_f("board_cfg", buf, sizeof(buf));
+	if (i > 0)
+		printf("Cfg %s", buf);
 	printf("\n");
 
 	return 0;
-- 
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