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gnrc_ndp_node: put next_hop_actual in correct scope

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In the if-block the pointer gets free'd as soon as the if-block is
exited. This PR prevents that.
This commit is contained in:
Martine Lenders 2015-08-31 00:10:43 +02:00 committed by Martine Lenders
parent 5ef0f8d1ff
commit d731d24d3a
1 changed files with 1 additions and 1 deletions
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2
sys/net/gnrc/network_layer/ndp/node/gnrc_ndp_node.c
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@ -71,11 +71,11 @@ kernel_pid_t gnrc_ndp_node_next_hop_l2addr(uint8_t *l2addr, uint8_t *l2addr_len,
next_hop_ip = ipv6_ext_rh_next_hop(hdr); next_hop_ip = ipv6_ext_rh_next_hop(hdr);
#endif #endif
#ifdef MODULE_FIB #ifdef MODULE_FIB
ipv6_addr_t next_hop_actual; /* FIB copies address into this variable */
/* don't look-up link local addresses in FIB */ /* don't look-up link local addresses in FIB */
if (!ipv6_addr_is_link_local(dst)) { if (!ipv6_addr_is_link_local(dst)) {
size_t next_hop_size = sizeof(ipv6_addr_t); size_t next_hop_size = sizeof(ipv6_addr_t);
uint32_t next_hop_flags = 0; uint32_t next_hop_flags = 0;
ipv6_addr_t next_hop_actual; /* FIB copies address into this variable */
if ((next_hop_ip == NULL) && if ((next_hop_ip == NULL) &&
(fib_get_next_hop(gnrc_ipv6_fib_table, &iface, next_hop_actual.u8, &next_hop_size, (fib_get_next_hop(gnrc_ipv6_fib_table, &iface, next_hop_actual.u8, &next_hop_size,