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authorPatrick McHardy <kaber@trash.net>2007-04-16 17:02:10 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:29:07 -0700
commit0463d4ae25771aaf3379bb6b2392f6edf23c2828 (patch)
tree5c820b718abfe086a7b1d91814cb99d721439a46 /net/sched/cls_api.c
parentffa4d7216e848fbfdcb8e6f0bb66abeaa1888964 (diff)
downloadop-kernel-dev-0463d4ae25771aaf3379bb6b2392f6edf23c2828.zip
op-kernel-dev-0463d4ae25771aaf3379bb6b2392f6edf23c2828.tar.gz
[NET_SCHED]: Eliminate qdisc_tree_lock
Since we're now holding the rtnl during the entire dump operation, we can remove qdisc_tree_lock, whose only purpose is to protect dump callbacks from concurrent changes to the qdisc tree. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/cls_api.c')
-rw-r--r--net/sched/cls_api.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index ca3da50..ebf94ed 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -400,7 +400,6 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
if ((dev = dev_get_by_index(tcm->tcm_ifindex)) == NULL)
return skb->len;
- read_lock(&qdisc_tree_lock);
if (!tcm->tcm_parent)
q = dev->qdisc_sleeping;
else
@@ -457,7 +456,6 @@ errout:
if (cl)
cops->put(q, cl);
out:
- read_unlock(&qdisc_tree_lock);
dev_put(dev);
return skb->len;
}
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