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Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c15
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)