[NET_SCHED]: sch_cbq: fix watchdog scheduled too late

q->now is increased during dequeue and doesn't contain the current time
afterwards, resulting in a too large timeout value for the qdisc watchdog.
Use "now" instead, which still contains the current time.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 0491fad97c0ac5e4411ba8589388b1e523a1ceee..d83414d828d8e4b573b10d22ba1d0b6b846450a8 100644 (file)
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1070,7 +1070,7 @@ cbq_dequeue(struct Qdisc *sch)
                sch->qstats.overlimits++;
                if (q->wd_expires)
                        qdisc_watchdog_schedule(&q->watchdog,
-                                               q->now + q->wd_expires);
+                                               now + q->wd_expires);
        }
        return NULL;
 }