pkt_sched: Fix locking of qdisc_root with qdisc_root_sleeping_lock()
Use qdisc_root_sleeping_lock() instead of qdisc_root_lock() where
appropriate. The only difference is while dev is deactivated, when
currently we can use a sleeping qdisc with the lock of noop_qdisc.
This shouldn't be dangerous since after deactivation root lock could
be used only by gen_estimator code, but looks wrong anyway.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index 481260a..e3d8455 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -75,7 +75,7 @@
static inline
void route4_reset_fastmap(struct Qdisc *q, struct route4_head *head, u32 id)
{
- spinlock_t *root_lock = qdisc_root_lock(q);
+ spinlock_t *root_lock = qdisc_root_sleeping_lock(q);
spin_lock_bh(root_lock);
memset(head->fastmap, 0, sizeof(head->fastmap));