diff options
| -rw-r--r-- | net/mptcp/pm_netlink.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 7b96be1e9f14..4ff8d55cbe82 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1702,22 +1702,28 @@ next: static int mptcp_nl_cmd_set_flags(struct sk_buff *skb, struct genl_info *info) { + struct mptcp_pm_addr_entry addr = { .addr = { .family = AF_UNSPEC }, }, *entry; struct nlattr *attr = info->attrs[MPTCP_PM_ATTR_ADDR]; struct pm_nl_pernet *pernet = genl_info_pm_nl(info); - struct mptcp_pm_addr_entry addr, *entry; struct net *net = sock_net(skb->sk); - u8 bkup = 0; + u8 bkup = 0, lookup_by_id = 0; int ret; - ret = mptcp_pm_parse_addr(attr, info, true, &addr); + ret = mptcp_pm_parse_addr(attr, info, false, &addr); if (ret < 0) return ret; if (addr.flags & MPTCP_PM_ADDR_FLAG_BACKUP) bkup = 1; + if (addr.addr.family == AF_UNSPEC) { + lookup_by_id = 1; + if (!addr.addr.id) + return -EOPNOTSUPP; + } list_for_each_entry(entry, &pernet->local_addr_list, list) { - if (addresses_equal(&entry->addr, &addr.addr, true)) { + if ((!lookup_by_id && addresses_equal(&entry->addr, &addr.addr, true)) || + (lookup_by_id && entry->addr.id == addr.addr.id)) { mptcp_nl_addr_backup(net, &entry->addr, bkup); if (bkup) |