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| author | Wolfgang Denk <wd@denx.de> | 2011-05-04 10:32:28 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-05-12 19:48:42 +0200 |
| commit | f0c0b3a9e6f28a34d6da5edabba1e874fdf8e675 (patch) | |
| tree | b48adf0159f02551ab3318f469b085cfa0b26bb8 /board/tqc/tqm8272/tqm8272.c | |
| parent | a02a884b95c47e114a54f2751d03f139f312af2f (diff) | |
| download | u-boot-imx-f0c0b3a9e6f28a34d6da5edabba1e874fdf8e675.zip u-boot-imx-f0c0b3a9e6f28a34d6da5edabba1e874fdf8e675.tar.gz u-boot-imx-f0c0b3a9e6f28a34d6da5edabba1e874fdf8e675.tar.bz2 | |
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/tqm8272/tqm8272.c')
| -rw-r--r-- | board/tqc/tqm8272/tqm8272.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/board/tqc/tqm8272/tqm8272.c b/board/tqc/tqm8272/tqm8272.c index 96ec078..9efb541 100644 --- a/board/tqc/tqm8272/tqm8272.c +++ b/board/tqc/tqm8272/tqm8272.c @@ -514,12 +514,16 @@ static inline int scanChar (char *p, int len, unsigned long *number) static int dump_hwib(void) { HWIB_INFO *hw = &hwinf; + char buf[64]; + int i = getenv_f("serial#", buf, sizeof(buf)); volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; - char *s = getenv("serial#"); + + if (i < 0) + buf[0] = '\0'; if (hw->OK) { printf ("HWIB on %x\n", HWIB_INFO_START_ADDR); - printf ("serial : %s\n", s); + printf ("serial : %s\n", buf); printf ("ethaddr: %s\n", hw->ethaddr); printf ("FLASH : %x nr:%d\n", hw->flash, hw->flash_nr); printf ("RAM : %x cs:%d\n", hw->ram, hw->ram_cs); |