net: Push capable(CAP_NET_ADMIN) into the rtnl methods

[~andy/linux] / net / sched / sch_api.c

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 13cc744a24981ea4ce8d9ebe2c7d321ed3e2ebfa..4799c4840c1a2e89fd22885a9e6212ae1682b819 100644 (file)
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -980,6 +980,9 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
        struct Qdisc *p = NULL;
        int err;
 
+       if ((n->nlmsg_type != RTM_GETQDISC) && !capable(CAP_NET_ADMIN))
+               return -EPERM;
+
        dev = __dev_get_by_index(net, tcm->tcm_ifindex);
        if (!dev)
                return -ENODEV;
@@ -1043,6 +1046,9 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
        struct Qdisc *q, *p;
        int err;
 
+       if (!capable(CAP_NET_ADMIN))
+               return -EPERM;
+
 replay:
        /* Reinit, just in case something touches this. */
        tcm = nlmsg_data(n);
@@ -1379,6 +1385,9 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
        u32 qid = TC_H_MAJ(clid);
        int err;
 
+       if ((n->nlmsg_type != RTM_GETTCLASS) && !capable(CAP_NET_ADMIN))
+               return -EPERM;
+
        dev = __dev_get_by_index(net, tcm->tcm_ifindex);
        if (!dev)
                return -ENODEV;