[NET_SCHED]: sch_netem: fix off-by-one in send time comparison
netem checks PSCHED_TLESS(cb->time_to_send, now) to find out whether it is
allowed to send a packet, which is equivalent to cb->time_to_send < now.
Use !PSCHED_TLESS(now, cb->time_to_send) instead to properly handle
cb->time_to_send == now.
Signed-off-by: Patrick McHardy <[EMAIL PROTECTED]>
---
commit 9f8c07452088f432c79ac3a8d87d6adebcce57df
tree 42b214f74b8b2d5bd3065e9f63d8048beb4f3bdc
parent 3231f075945001667eafaf325abab8c992b3d1e4
author Patrick McHardy <[EMAIL PROTECTED]> Thu, 22 Mar 2007 23:57:32 +0100
committer Patrick McHardy <[EMAIL PROTECTED]> Fri, 23 Mar 2007 10:31:26 +0100
net/sched/sch_netem.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 3e1b633..bc42843 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -286,7 +286,7 @@ static struct sk_buff *netem_dequeue(struct Qdisc *sch)
/* if more time remaining? */
PSCHED_GET_TIME(now);
- if (PSCHED_TLESS(cb->time_to_send, now)) {
+ if (!PSCHED_TLESS(now, cb->time_to_send)) {
pr_debug("netem_dequeue: return skb=%p\n", skb);
sch->q.qlen--;
return skb;
-
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