- while (sd_rtnl_message_read(m, &type, &data) > 0) {
- switch(type) {
- case IFLA_MTU:
- if (link->network->dhcp && link->network->dhcp_mtu &&
- !link->original_mtu) {
- link->original_mtu = *(uint16_t *) data;
- log_debug_link(link, "saved original MTU: %"
- PRIu16, link->original_mtu);
- }
-
- break;
- case IFLA_ADDRESS:
- if (memcmp(&link->mac.ether_addr_octet, &data,
- ETH_ALEN)) {
- memcpy(&link->mac, data, ETH_ALEN);
-
- log_debug_link(link, "updated MAC address: "
- "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
- link->mac.ether_addr_octet[0],
- link->mac.ether_addr_octet[1],
- link->mac.ether_addr_octet[2],
- link->mac.ether_addr_octet[3],
- link->mac.ether_addr_octet[4],
- link->mac.ether_addr_octet[5]);
- }
+ if (link->network->dhcp && link->network->dhcp_mtu &&
+ !link->original_mtu) {
+ r = sd_rtnl_message_read_u16(m, IFLA_MTU, &link->original_mtu);
+ if (r >= 0)
+ log_debug_link(link, "saved original MTU: %"
+ PRIu16, link->original_mtu);
+ }