diff options
Diffstat (limited to 'net/mptcp/pm_netlink.c')
| -rw-r--r-- | net/mptcp/pm_netlink.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 2469e06a3a9d..09722598994d 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -971,8 +971,14 @@ skip_family: if (tb[MPTCP_PM_ADDR_ATTR_FLAGS]) entry->flags = nla_get_u32(tb[MPTCP_PM_ADDR_ATTR_FLAGS]); - if (tb[MPTCP_PM_ADDR_ATTR_PORT]) + if (tb[MPTCP_PM_ADDR_ATTR_PORT]) { + if (!(entry->flags & MPTCP_PM_ADDR_FLAG_SIGNAL)) { + NL_SET_ERR_MSG_ATTR(info->extack, attr, + "flags must have signal when using port"); + return -EINVAL; + } entry->addr.port = htons(nla_get_u16(tb[MPTCP_PM_ADDR_ATTR_PORT])); + } return 0; } @@ -1913,10 +1919,13 @@ static int __net_init pm_nl_init_net(struct net *net) struct pm_nl_pernet *pernet = net_generic(net, pm_nl_pernet_id); INIT_LIST_HEAD_RCU(&pernet->local_addr_list); - __reset_counters(pernet); pernet->next_id = 1; - bitmap_zero(pernet->id_bitmap, MAX_ADDR_ID + 1); spin_lock_init(&pernet->lock); + + /* No need to initialize other pernet fields, the struct is zeroed at + * allocation time. + */ + return 0; } |