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tools/env: Fix variable delete operation

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Fix crash introduced by a073d63a36524453a817ab029fad5b188f46127e
when attempting to delete a variable.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Joe Hershberger 2012-10-15 15:29:24 +00:00 • committed by Tom Rini
parent bd23b22bad
commit ce2f580017
1 changed files with 3 additions and 2 deletions
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5
tools/env/fw_env.c vendored
View file

@ -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);