On Tuesday 12 May 2015 22:10:14 Baolin Wang wrote:
> +static int default_timer_set64(struct k_itimer *timr, int flags,
> + struct itimerspec64 *new_setting64,
> + struct itimerspec64 *old_setting64)
> +{
> + struct k_clock *kc = clockid_to_kclock(timr->it_clock);
> + struct itimerspec new_setting, old_setting;
> + int ret;
> +
> + new_setting = itimerspec64_to_itimerspec(new_setting64);
> + old_setting = itimerspec64_to_itimerspec(old_setting64);
> + ret = kc->timer_set(timr, flags, &new_setting, &old_setting);
> + if (!ret && old_setting64)
> + *old_setting64 = itimerspec_to_itimerspec64(&old_setting);
> +
> + return ret;
> +}
>
You check old_setting64 for a NULL pointer in the second access, but not
in the first one, which is a bug. Please also check whether the variable
is used as input, output or both.
Arnd
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