diff options
Diffstat (limited to 'net/sched/act_api.c')
| -rw-r--r-- | net/sched/act_api.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 72cdb0f..8528291 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -18,6 +18,8 @@ #include <linux/skbuff.h> #include <linux/init.h> #include <linux/kmod.h> +#include <net/net_namespace.h> +#include <net/sock.h> #include <net/sch_generic.h> #include <net/act_api.h> #include <net/netlink.h> @@ -924,10 +926,14 @@ done: static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n, void *arg) { + struct net *net = skb->sk->sk_net; struct rtattr **tca = arg; u32 pid = skb ? NETLINK_CB(skb).pid : 0; int ret = 0, ovr = 0; + if (net != &init_net) + return -EINVAL; + if (tca[TCA_ACT_TAB-1] == NULL) { printk("tc_ctl_action: received NO action attribs\n"); return -EINVAL; @@ -997,6 +1003,7 @@ find_dump_kind(struct nlmsghdr *n) static int tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb) { + struct net *net = skb->sk->sk_net; struct nlmsghdr *nlh; unsigned char *b = skb_tail_pointer(skb); struct rtattr *x; @@ -1006,6 +1013,9 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb) struct tcamsg *t = (struct tcamsg *) NLMSG_DATA(cb->nlh); struct rtattr *kind = find_dump_kind(cb->nlh); + if (net != &init_net) + return 0; + if (kind == NULL) { printk("tc_dump_action: action bad kind\n"); return 0; |