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Merge pull request #3987 from authmillenon/gnrc_ipv6_nc/fix/undef-iface

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gnrc_ipv6_nc: interface in neighbor cache may be undefined but legal
This commit is contained in:
Martine Lenders 2015-09-29 18:29:35 +02:00
commit f413e9b413
1 changed files with 4 additions and 4 deletions
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8
sys/net/gnrc/network_layer/ipv6/nc/gnrc_ipv6_nc.c
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@ -161,14 +161,14 @@ void gnrc_ipv6_nc_remove(kernel_pid_t iface, const ipv6_addr_t *ipv6_addr)
gnrc_ipv6_nc_t *gnrc_ipv6_nc_get(kernel_pid_t iface, const ipv6_addr_t *ipv6_addr)
{
if (ipv6_addr == NULL) {
DEBUG("ipv6_nc: address was NULL\n");
if ((ipv6_addr == NULL) || (ipv6_addr_is_unspecified(ipv6_addr))) {
DEBUG("ipv6_nc: address was NULL or ::\n");
return NULL;
}
for (int i = 0; i < GNRC_IPV6_NC_SIZE; i++) {
if (((iface == KERNEL_PID_UNDEF) || (iface == ncache[i].iface)) &&
ipv6_addr_equal(&(ncache[i].ipv6_addr), ipv6_addr)) {
if (((ncache[i].iface == KERNEL_PID_UNDEF) || (iface == KERNEL_PID_UNDEF) ||
(iface == ncache[i].iface)) && ipv6_addr_equal(&(ncache[i].ipv6_addr), ipv6_addr)) {
DEBUG("ipv6_nc: Found entry for %s on interface %" PRIkernel_pid
" (0 = all interfaces) [%p]\n",
ipv6_addr_to_str(addr_str, ipv6_addr, sizeof(addr_str)),