diff --git a/ip/link_veth.c b/ip/link_veth.c index 3cbeb544..1196a1b5 100644 --- a/ip/link_veth.c +++ b/ip/link_veth.c @@ -34,12 +34,20 @@ static int veth_parse_opt(struct link_util *lu, int argc, char **argv, int err, len; struct rtattr * data; int group; + struct ifinfomsg *ifm, *peer_ifm; + unsigned int ifi_flags, ifi_change; if (strcmp(argv[0], "peer") != 0) { usage(); return -1; } + ifm = NLMSG_DATA(hdr); + ifi_flags = ifm->ifi_flags; + ifi_change = ifm->ifi_change; + ifm->ifi_flags = 0; + ifm->ifi_change = 0; + data = NLMSG_TAIL(hdr); addattr_l(hdr, 1024, VETH_INFO_PEER, NULL, 0); @@ -57,10 +65,12 @@ static int veth_parse_opt(struct link_util *lu, int argc, char **argv, addattr_l(hdr, 1024, IFLA_IFNAME, name, len); } - if (index) { - struct ifinfomsg *ifi = (struct ifinfomsg *)(data + 1); - ifi->ifi_index = index; - } + peer_ifm = RTA_DATA(data); + peer_ifm->ifi_index = index; + peer_ifm->ifi_flags = ifm->ifi_flags; + peer_ifm->ifi_change = ifm->ifi_change; + ifm->ifi_flags = ifi_flags; + ifm->ifi_change = ifi_change; if (group != -1) addattr32(hdr, 1024, IFLA_GROUP, group);