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| author | Joe Hershberger <joe.hershberger@ni.com> | 2012-10-15 15:29:24 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2012-10-16 08:47:27 -0700 |
| commit | ce2f5800177c36451da44345f7ab408df240ff82 (patch) | |
| tree | 0ef10bd798796dd3396da50c904c808366700f89 | |
| parent | bd23b22badadcdc414a900828253961fc5ec6c39 (diff) | |
| download | u-boot-imx-ce2f5800177c36451da44345f7ab408df240ff82.zip u-boot-imx-ce2f5800177c36451da44345f7ab408df240ff82.tar.gz u-boot-imx-ce2f5800177c36451da44345f7ab408df240ff82.tar.bz2 | |
tools/env: Fix variable delete operation
Fix crash introduced by a073d63a36524453a817ab029fad5b188f46127e
when attempting to delete a variable.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
| -rw-r--r-- | tools/env/fw_env.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c index ab8c15d..97328bb 100644 --- a/tools/env/fw_env.c +++ b/tools/env/fw_env.c @@ -494,6 +494,8 @@ int fw_setenv(int argc, char *argv[]) char *val = argv[i]; size_t val_len = strlen(val); + if (value) + value[len - 1] = ' '; value = realloc(value, len + val_len + 1); if (!value) { fprintf(stderr, @@ -504,9 +506,8 @@ int fw_setenv(int argc, char *argv[]) memcpy(value + len, val, val_len); len += val_len; - value[len++] = ' '; + value[len++] = '\0'; } - value[len - 1] = '\0'; fw_env_write(name, value); |