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author | Wolfgang Denk <wd@denx.de> | 2011-05-04 10:32:28 (GMT) |
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committer | Wolfgang Denk <wd@denx.de> | 2011-05-12 17:48:42 (GMT) |
commit | f0c0b3a9e6f28a34d6da5edabba1e874fdf8e675 (patch) | |
tree | b48adf0159f02551ab3318f469b085cfa0b26bb8 /board/amirix | |
parent | a02a884b95c47e114a54f2751d03f139f312af2f (diff) | |
download | u-boot-fsl-qoriq-f0c0b3a9e6f28a34d6da5edabba1e874fdf8e675.tar.xz |
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/amirix')
-rw-r--r-- | board/amirix/ap1000/ap1000.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/board/amirix/ap1000/ap1000.c b/board/amirix/ap1000/ap1000.c index c8dd99e..64de04c 100644 --- a/board/amirix/ap1000/ap1000.c +++ b/board/amirix/ap1000/ap1000.c @@ -37,8 +37,8 @@ int board_pre_init (void) /** serial number and platform display at startup */ int checkboard (void) { - char *s = getenv ("serial#"); - char *e; + char buf[64]; + int l = getenv_f("serial#", buf, sizeof(buf)); /* After a loadace command, the SystemAce control register is left in a wonky state. */ /* this code did not work in board_pre_init */ @@ -115,17 +115,19 @@ int checkboard (void) puts ("Serial#: "); - if (!s) { + if (l < 0) { printf ("### No HW ID - assuming AMIRIX"); } else { - for (e = s; *e; ++e) { - if (*e == ' ') + int i; + + for (i = 0; i < l; ++i) { + if (buf[i] == ' ') { + buf[i] = '\0'; break; + } } - for (; s < e; ++s) { - putc (*s); - } + puts(buf); } putc ('\n'); @@ -136,9 +138,11 @@ int checkboard (void) phys_size_t initdram (int board_type) { - char *s = getenv ("dramsize"); + char buf[64]; + int i = getenv_f("dramsize", buf, sizeof(buf)); - if (s != NULL) { + if (i > 0) { + char *s = buf; if ((s[0] == '0') && ((s[1] == 'x') || (s[1] == 'X'))) { s += 2; } |