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authorWolfgang Denk <wd@denx.de>2011-05-04 10:32:28 +0000
committerWolfgang Denk <wd@denx.de>2011-05-12 19:48:42 +0200
commitf0c0b3a9e6f28a34d6da5edabba1e874fdf8e675 (patch)
treeb48adf0159f02551ab3318f469b085cfa0b26bb8 /board/tqc/tqm8xx/tqm8xx.c
parenta02a884b95c47e114a54f2751d03f139f312af2f (diff)
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>
Diffstat (limited to 'board/tqc/tqm8xx/tqm8xx.c')
-rw-r--r--board/tqc/tqm8xx/tqm8xx.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/board/tqc/tqm8xx/tqm8xx.c b/board/tqc/tqm8xx/tqm8xx.c
index 6576e0288a..1fda53b9ae 100644
--- a/board/tqc/tqm8xx/tqm8xx.c
+++ b/board/tqc/tqm8xx/tqm8xx.c
@@ -106,31 +106,33 @@ const uint sdram_table[] =
int checkboard (void)
{
- char *s = getenv ("serial#");
+ char buf[64];
+ int i;
+ int l = getenv_f("serial#", buf, sizeof(buf));
puts ("Board: ");
- if (!s || strncmp (s, "TQM8", 4)) {
+ if (l < 0 || strncmp(buf, "TQM8", 4)) {
puts ("### No HW ID - assuming TQM8xxL\n");
return (0);
}
- if ((*(s + 6) == 'L')) { /* a TQM8xxL type */
+ if ((buf[6] == 'L')) { /* a TQM8xxL type */
gd->board_type = 'L';
}
- if ((*(s + 6) == 'M')) { /* a TQM8xxM type */
+ if ((buf[6] == 'M')) { /* a TQM8xxM type */
gd->board_type = 'M';
}
- if ((*(s + 6) == 'D')) { /* a TQM885D type */
+ if ((buf[6] == 'D')) { /* a TQM885D type */
gd->board_type = 'D';
}
- for (; *s; ++s) {
- if (*s == ' ')
+ for (i = 0; i < l; ++i) {
+ if (buf[i] == ' ')
break;
- putc (*s);
+ putc (buf[i]);
}
#ifdef CONFIG_VIRTLAB2
puts (" (Virtlab2)");