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fixed possible division by zero

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Simon Goldschmidt
2013-04-24 22:20:12 +02:00
parent 8609d1e790
commit 252126cf76
2 changed files with 4 additions and 1 deletions
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2
src/core/ipv4/igmp.c
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@@ -701,7 +701,7 @@ igmp_start_timer(struct igmp_group *group, u8_t max_time)
}
#ifdef LWIP_RAND
/* ensure the random value is > 0 */
group->timer = (LWIP_RAND() % (max_time - 1)) + 1;
group->timer = (LWIP_RAND() % max_time);
#endif /* LWIP_RAND */
}