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authorPatrick McHardy <kaber@trash.net>2008-11-20 04:11:36 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-20 04:11:36 -0800
commitb94c8afcba3ae6584653b98e315446ea83be6ea5 (patch)
tree377fcfaf74e3aa38243c736a440e45b378355d8e /net/sched/sch_dsmark.c
parentisdn: isdn_net.c annotate struct ip_ports and trivial sparse fixes (diff)
downloadlinux-dev-b94c8afcba3ae6584653b98e315446ea83be6ea5.tar.xz
linux-dev-b94c8afcba3ae6584653b98e315446ea83be6ea5.zip
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 <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_dsmark.c')
-rw-r--r--net/sched/sch_dsmark.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 3f9427a4b757..d303daa45d49 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -68,7 +68,8 @@ static int dsmark_graft(struct Qdisc *sch, unsigned long arg,
}
sch_tree_lock(sch);
- *old = xchg(&p->q, new);
+ *old = p->q;
+ p->q = new;
qdisc_tree_decrease_qlen(*old, (*old)->q.qlen);
qdisc_reset(*old);
sch_tree_unlock(sch);