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-rw-r--r--net/sched/act_gate.c3
-rw-r--r--net/sched/cls_api.c2
-rw-r--r--net/sched/sch_api.c9
-rw-r--r--net/sched/sch_fifo.c3
-rw-r--r--net/sched/sch_gred.c3
-rw-r--r--net/sched/sch_netem.c2
-rw-r--r--net/sched/sch_taprio.c6
7 files changed, 17 insertions, 11 deletions
diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c
index 91c0ec729823..c1f75f272757 100644
--- a/net/sched/act_gate.c
+++ b/net/sched/act_gate.c
@@ -287,8 +287,7 @@ static void gate_setup_timer(struct tcf_gate *gact, u64 basetime,
gact->param.tcfg_basetime = basetime;
gact->param.tcfg_clockid = clockid;
gact->tk_offset = tko;
- hrtimer_init(&gact->hitimer, clockid, HRTIMER_MODE_ABS_SOFT);
- gact->hitimer.function = gate_timer_func;
+ hrtimer_setup(&gact->hitimer, gate_timer_func, clockid, HRTIMER_MODE_ABS_SOFT);
}
static int tcf_gate_init(struct net *net, struct nlattr *nla,
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 8e47e5355be6..4f648af8cfaa 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -97,7 +97,7 @@ tcf_exts_miss_cookie_base_alloc(struct tcf_exts *exts, struct tcf_proto *tp,
err = xa_alloc_cyclic(&tcf_exts_miss_cookies_xa, &n->miss_cookie_base,
n, xa_limit_32b, &next, GFP_KERNEL);
- if (err)
+ if (err < 0)
goto err_xa_alloc;
exts->miss_cookie_node = n;
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)
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c
index b50b2c2cc09b..e6bfd39ff339 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -40,6 +40,9 @@ static int pfifo_tail_enqueue(struct sk_buff *skb, struct Qdisc *sch,
{
unsigned int prev_backlog;
+ if (unlikely(READ_ONCE(sch->limit) == 0))
+ return qdisc_drop(skb, sch, to_free);
+
if (likely(sch->q.qlen < READ_ONCE(sch->limit)))
return qdisc_enqueue_tail(skb, sch);
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index ab6234b4fcd5..532fde548b88 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -913,7 +913,8 @@ static void gred_destroy(struct Qdisc *sch)
for (i = 0; i < table->DPs; i++)
gred_destroy_vq(table->tab[i]);
- gred_offload(sch, TC_GRED_DESTROY);
+ if (table->opt)
+ gred_offload(sch, TC_GRED_DESTROY);
kfree(table->opt);
}
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 71ec9986ed37..fdd79d3ccd8c 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -749,9 +749,9 @@ deliver:
if (err != NET_XMIT_SUCCESS) {
if (net_xmit_drop_count(err))
qdisc_qstats_drop(sch);
- qdisc_tree_reduce_backlog(sch, 1, pkt_len);
sch->qstats.backlog -= pkt_len;
sch->q.qlen--;
+ qdisc_tree_reduce_backlog(sch, 1, pkt_len);
}
goto tfifo_dequeue;
}
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index a68e17891b0b..14021b812329 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -1932,8 +1932,7 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt,
if (!TXTIME_ASSIST_IS_ENABLED(q->flags) &&
!FULL_OFFLOAD_IS_ENABLED(q->flags) &&
!hrtimer_active(&q->advance_timer)) {
- hrtimer_init(&q->advance_timer, q->clockid, HRTIMER_MODE_ABS);
- q->advance_timer.function = advance_sched;
+ hrtimer_setup(&q->advance_timer, advance_sched, q->clockid, HRTIMER_MODE_ABS);
}
err = taprio_get_start_time(sch, new_admin, &start);
@@ -2056,8 +2055,7 @@ static int taprio_init(struct Qdisc *sch, struct nlattr *opt,
spin_lock_init(&q->current_entry_lock);
- hrtimer_init(&q->advance_timer, CLOCK_TAI, HRTIMER_MODE_ABS);
- q->advance_timer.function = advance_sched;
+ hrtimer_setup(&q->advance_timer, advance_sched, CLOCK_TAI, HRTIMER_MODE_ABS);
q->root = sch;