diff options
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 45b84dd5c4eb..63a808d5af15 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -5058,6 +5058,7 @@ static int inet6_valid_dump_ifaddr_req(const struct nlmsghdr *nlh, fillargs->netnsid = nla_get_s32(tb[i]); net = rtnl_get_net_ns_capable(sk, fillargs->netnsid); if (IS_ERR(net)) { + fillargs->netnsid = -1; NL_SET_ERR_MSG_MOD(extack, "Invalid target network namespace id"); return PTR_ERR(net); } @@ -5089,23 +5090,25 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb, struct net_device *dev; struct inet6_dev *idev; struct hlist_head *head; + int err = 0; s_h = cb->args[0]; s_idx = idx = cb->args[1]; s_ip_idx = cb->args[2]; if (cb->strict_check) { - int err; - err = inet6_valid_dump_ifaddr_req(nlh, &fillargs, &tgt_net, skb->sk, cb); if (err < 0) - return err; + goto put_tgt_net; + err = 0; if (fillargs.ifindex) { dev = __dev_get_by_index(tgt_net, fillargs.ifindex); - if (!dev) - return -ENODEV; + if (!dev) { + err = -ENODEV; + goto put_tgt_net; + } idev = __in6_dev_get(dev); if (idev) { err = in6_dump_addrs(idev, skb, cb, s_ip_idx, @@ -5144,7 +5147,7 @@ put_tgt_net: if (fillargs.netnsid >= 0) put_net(tgt_net); - return skb->len; + return err < 0 ? err : skb->len; } static int inet6_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb) |