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>
diff --git a/board/avnet/fx12mm/fx12mm.c b/board/avnet/fx12mm/fx12mm.c
index e671a7b..c975efa 100644
--- a/board/avnet/fx12mm/fx12mm.c
+++ b/board/avnet/fx12mm/fx12mm.c
@@ -32,20 +32,19 @@
int checkboard(void)
{
- char tmp[64];
- char *s, *e;
- int i = getenv_f("serial", tmp, sizeof(tmp));
+ char buf[64];
+ int i;
+ int l = getenv_f("serial#", buf, sizeof(buf));
- if (i < 0) {
+ if (l < 0) {
printf("Avnet Virtex4 FX12 with no serial #");
} else {
- for (e = tmp; *e; ++e) {
- if (*e == ' ')
- break;
- }
printf("Avnet Virtex4 FX12 Minimodul # ");
- for (s = tmp; s < e; ++s)
- putc(*s);
+ for (i = 0; i < l; ++i) {
+ if (buf[i] == ' ')
+ break;
+ putc(buf[i]);
+ }
}
putc('\n');
return 0;