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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/avnet/fx12mm/fx12mm.c
parenta02a884b95c47e114a54f2751d03f139f312af2f (diff)
downloadblackbird-obmc-uboot-f0c0b3a9e6f28a34d6da5edabba1e874fdf8e675.tar.gz
blackbird-obmc-uboot-f0c0b3a9e6f28a34d6da5edabba1e874fdf8e675.zip
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/avnet/fx12mm/fx12mm.c')
-rw-r--r--board/avnet/fx12mm/fx12mm.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/board/avnet/fx12mm/fx12mm.c b/board/avnet/fx12mm/fx12mm.c
index e671a7bed1..c975efa395 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 == ' ')
+ printf("Avnet Virtex4 FX12 Minimodul # ");
+ for (i = 0; i < l; ++i) {
+ if (buf[i] == ' ')
break;
+ putc(buf[i]);
}
- printf("Avnet Virtex4 FX12 Minimodul # ");
- for (s = tmp; s < e; ++s)
- putc(*s);
}
putc('\n');
return 0;
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