diff options
Diffstat (limited to 'extensions/libxt_LED.c')
| -rw-r--r-- | extensions/libxt_LED.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/extensions/libxt_LED.c b/extensions/libxt_LED.c index 9d68fa27..e6cf8497 100644 --- a/extensions/libxt_LED.c +++ b/extensions/libxt_LED.c @@ -49,6 +49,7 @@ static void LED_help(void) static void LED_parse(struct xt_option_call *cb) { struct xt_led_info *led = cb->data; + unsigned int delay; xtables_option_parse(cb); switch (cb->entry->id) { @@ -59,8 +60,10 @@ static void LED_parse(struct xt_option_call *cb) case O_LED_DELAY: if (strncasecmp(cb->arg, "inf", 3) == 0) led->delay = -1; - else - led->delay = strtoul(cb->arg, NULL, 0); + else if (!xtables_strtoui(cb->arg, NULL, &delay, 0, UINT32_MAX)) + xtables_error(PARAMETER_PROBLEM, + "Delay value must be within range 0..%u", + UINT32_MAX); break; case O_LED_ALWAYS_BLINK: led->always_blink = 1; |