int r;
assert_return(rtnl_message_type_is_link(nlmsg_type), -EINVAL);
- assert_return(nlmsg_type == RTM_NEWLINK ||
- nlmsg_type == RTM_SETLINK || index > 0, -EINVAL);
+ assert_return(nlmsg_type != RTM_DELLINK || index > 0, -EINVAL);
assert_return(ret, -EINVAL);
r = message_new(rtnl, ret, NLMSG_SPACE(sizeof(struct ifinfomsg)));
(*ret)->hdr->nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
(*ret)->hdr->nlmsg_type = nlmsg_type;
if (nlmsg_type == RTM_NEWLINK)
- (*ret)->hdr->nlmsg_flags |= NLM_F_CREATE;
+ (*ret)->hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_EXCL;
ifi = NLMSG_DATA((*ret)->hdr);