Is it wrong check?

[wangqg99]

In file common/mbu_common.h, there is code snip as:
case 'b': {
rtuParams->baud = getInt(value, &ok);
if (0 != ok) {
printf("Baudrate is invalid %s", value);
ok = 0;
}
Is it should be ?
if (0 == ok) {