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pkt_sched: remove unnecessary xchg() in packet schedulers

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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 <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy
2008-11-20 04:11:36 -08:00
committed by David S. Miller
parent c19d0369d4
commit b94c8afcba
11 changed files with 52 additions and 31 deletions
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5
net/sched/sch_netem.c
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@@ -331,10 +331,9 @@ static int get_dist_table(struct Qdisc *sch, const struct nlattr *attr)
root_lock = qdisc_root_sleeping_lock(sch);
spin_lock_bh(root_lock);
d = xchg(&q->delay_dist, d);
kfree(q->delay_dist);
q->delay_dist = d;
spin_unlock_bh(root_lock);
kfree(d);
return 0;
}