From b94c8afcba3ae6584653b98e315446ea83be6ea5 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Thu, 20 Nov 2008 04:11:36 -0800 Subject: pkt_sched: remove unnecessary xchg() in packet schedulers The use of xchg() hasn't been necessary since 2.2.something when proper locking was added to packet schedulers. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/sched/sch_hfsc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'net/sched/sch_hfsc.c') diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 071c4749a12b..51dd3f401623 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -1202,7 +1202,8 @@ hfsc_graft_class(struct Qdisc *sch, unsigned long arg, struct Qdisc *new, sch_tree_lock(sch); hfsc_purge_queue(sch, cl); - *old = xchg(&cl->qdisc, new); + *old = cl->qdisc; + cl->qdisc = new; sch_tree_unlock(sch); return 0; } -- cgit v1.2.3