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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-27 17:38:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-27 17:38:07 -0700
commitb09331e530777963ed65ce2fdf074b7b077768c7 (patch)
tree0354e5a7bb8ec3a7ae647b5ce71516f6a4979b05 /net/sched/sch_api.c
parent4c246edd2550304df5b766cc841584b2bb058843 (diff)
parentd97240552cd98c4b07322f30f66fd9c3ba4171de (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (55 commits) sctp: fix random memory dereference with SCTP_HMAC_IDENT option. sctp: correct bounds check in sctp_setsockopt_auth_key wan: Missing capability checks in sbni_ioctl() e100, fix iomap read qeth: preallocated header account offset qeth: l2 write unicast list to hardware qeth: use -EOPNOTSUPP instead of -ENOTSUPP. ibm_newemac: Don't call dev_mc_add() before device is registered net: don't grab a mutex within a timer context in gianfar forcedeth: fix checksum flag net/usb/mcs7830: add set_mac_address net/usb/mcs7830: new device IDs [netdrvr] smc91x: fix resource removal (null ptr deref) ibmveth: fix bad UDP checksums [netdrvr] hso: dev_kfree_skb crash fix [netdrvr] hso: icon 322 detection fix atl1: disable TSO by default atl1e: multistatement if missing braces igb: remove 82576 quad adapter drivers/net/skfp/ess.c: fix compile warnings ...
Diffstat (limited to 'net/sched/sch_api.c')
-rw-r--r--net/sched/sch_api.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index e7fb9e0d21b..506b709510b 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -624,7 +624,7 @@ static struct Qdisc *dev_graft_qdisc(struct netdev_queue *dev_queue,
struct Qdisc *oqdisc = dev_queue->qdisc_sleeping;
spinlock_t *root_lock;
- root_lock = qdisc_root_lock(oqdisc);
+ root_lock = qdisc_lock(oqdisc);
spin_lock_bh(root_lock);
/* Prune old scheduler */
@@ -635,7 +635,7 @@ static struct Qdisc *dev_graft_qdisc(struct netdev_queue *dev_queue,
if (qdisc == NULL)
qdisc = &noop_qdisc;
dev_queue->qdisc_sleeping = qdisc;
- dev_queue->qdisc = &noop_qdisc;
+ rcu_assign_pointer(dev_queue->qdisc, &noop_qdisc);
spin_unlock_bh(root_lock);
@@ -830,9 +830,16 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
sch->stab = stab;
}
if (tca[TCA_RATE]) {
+ spinlock_t *root_lock;
+
+ if ((sch->parent != TC_H_ROOT) &&
+ !(sch->flags & TCQ_F_INGRESS))
+ root_lock = qdisc_root_sleeping_lock(sch);
+ else
+ root_lock = qdisc_lock(sch);
+
err = gen_new_estimator(&sch->bstats, &sch->rate_est,
- qdisc_root_lock(sch),
- tca[TCA_RATE]);
+ root_lock, tca[TCA_RATE]);
if (err) {
/*
* Any broken qdiscs that would require
@@ -884,7 +891,8 @@ static int qdisc_change(struct Qdisc *sch, struct nlattr **tca)
if (tca[TCA_RATE])
gen_replace_estimator(&sch->bstats, &sch->rate_est,
- qdisc_root_lock(sch), tca[TCA_RATE]);
+ qdisc_root_sleeping_lock(sch),
+ tca[TCA_RATE]);
return 0;
}