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| author | Patrick McHardy <kaber@trash.net> | 2007-04-16 17:02:10 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:29:07 -0700 |
| commit | 0463d4ae25771aaf3379bb6b2392f6edf23c2828 (patch) | |
| tree | 5c820b718abfe086a7b1d91814cb99d721439a46 /net/sched/cls_api.c | |
| parent | ffa4d7216e848fbfdcb8e6f0bb66abeaa1888964 (diff) | |
| download | linux-3.10-0463d4ae25771aaf3379bb6b2392f6edf23c2828.tar.gz linux-3.10-0463d4ae25771aaf3379bb6b2392f6edf23c2828.tar.bz2 linux-3.10-0463d4ae25771aaf3379bb6b2392f6edf23c2828.zip | |
[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.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index ca3da5013b7..ebf94edf047 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; } |