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_drr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'net/sched/sch_drr.c') diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c index e71a5de23e2..8d523d9b636 100644 --- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -208,7 +208,8 @@ static int drr_graft_class(struct Qdisc *sch, unsigned long arg, sch_tree_lock(sch); drr_purge_queue(cl); - *old = xchg(&cl->qdisc, new); + *old = cl->qdisc; + cl->qdisc = new; sch_tree_unlock(sch); return 0; } -- cgit v1.2.3