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6lowpan: do not overrun in context_remove

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This commit is contained in:
Oleg Hahm 2014-11-10 09:28:24 +01:00
parent ebfaa85f0c
commit d1d8972b0c
1 changed files with 2 additions and 1 deletions
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3
sys/net/network_layer/sixlowpan/lowpan.c
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@ -1562,9 +1562,10 @@ void lowpan_context_remove(uint8_t num)
abr_remove_context(num);
for (j = i; j < NDP_6LOWPAN_CONTEXT_MAX; j++) {
for (j = i; j < (NDP_6LOWPAN_CONTEXT_MAX - 1); j++) {
contexts[j] = contexts[j + 1];
}
memset(&contexts[NDP_6LOWPAN_CONTEXT_MAX - 1], 0, sizeof(lowpan_context_t));
}
lowpan_context_t *lowpan_context_update(uint8_t num, const ipv6_addr_t *prefix,