aboutsummaryrefslogtreecommitdiff
path: root/net/core/neighbour.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/core/neighbour.c')
-rw-r--r--net/core/neighbour.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 175bbc0a974e..29f0a4d2008f 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1449,6 +1449,9 @@ static int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
struct net_device *dev = NULL;
int err = -EINVAL;
+ if (net != &init_net)
+ return -EINVAL;
+
if (nlmsg_len(nlh) < sizeof(*ndm))
goto out;
@@ -1515,6 +1518,9 @@ static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
struct net_device *dev = NULL;
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL);
if (err < 0)
goto out;
@@ -1789,11 +1795,15 @@ static const struct nla_policy nl_ntbl_parm_policy[NDTPA_MAX+1] = {
static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct neigh_table *tbl;
struct ndtmsg *ndtmsg;
struct nlattr *tb[NDTA_MAX+1];
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
err = nlmsg_parse(nlh, sizeof(*ndtmsg), tb, NDTA_MAX,
nl_neightbl_policy);
if (err < 0)
@@ -1913,11 +1923,15 @@ errout:
static int neightbl_dump_info(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = skb->sk->sk_net;
int family, tidx, nidx = 0;
int tbl_skip = cb->args[0];
int neigh_skip = cb->args[1];
struct neigh_table *tbl;
+ if (net != &init_net)
+ return 0;
+
family = ((struct rtgenmsg *) nlmsg_data(cb->nlh))->rtgen_family;
read_lock(&neigh_tbl_lock);
@@ -2042,9 +2056,13 @@ out:
static int neigh_dump_info(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = skb->sk->sk_net;
struct neigh_table *tbl;
int t, family, s_t;
+ if (net != &init_net)
+ return 0;
+
read_lock(&neigh_tbl_lock);
family = ((struct rtgenmsg *) nlmsg_data(cb->nlh))->rtgen_family;
s_t = cb->args[0];