diff options
Diffstat (limited to 'net/sched/sch_api.c')
-rw-r--r-- | net/sched/sch_api.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index e3e91cf867eb..0b102a0ca83d 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -619,8 +619,7 @@ static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer) void qdisc_watchdog_init_clockid(struct qdisc_watchdog *wd, struct Qdisc *qdisc, clockid_t clockid) { - hrtimer_init(&wd->timer, clockid, HRTIMER_MODE_ABS_PINNED); - wd->timer.function = qdisc_watchdog; + hrtimer_setup(&wd->timer, qdisc_watchdog, clockid, HRTIMER_MODE_ABS_PINNED); wd->qdisc = qdisc; } EXPORT_SYMBOL(qdisc_watchdog_init_clockid); @@ -2254,6 +2253,12 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, return -EOPNOTSUPP; } + /* Prevent creation of traffic classes with classid TC_H_ROOT */ + if (clid == TC_H_ROOT) { + NL_SET_ERR_MSG(extack, "Cannot create traffic class with classid TC_H_ROOT"); + return -EINVAL; + } + new_cl = cl; err = -EOPNOTSUPP; if (cops->change) |