pkt_sched: Grab correct lock in notify_and_destroy().

From: Jarek Poplawski <jarkao2@gmail.com> When we are destroying non-root qdiscs, we need to lock the root of the qdisc tree not the the qdisc itself. Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Aug 18, 2008 · 3a76e37 · 3a76e37
1 parent 4335cd2
commit 3a76e37
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
@@ -638,9 +638,9 @@ static void notify_and_destroy(struct sk_buff *skb, struct nlmsghdr *n, u32 clid
 		qdisc_notify(skb, n, clid, old, new);
 
 	if (old) {
-		spin_lock_bh(&old->q.lock);
+		sch_tree_lock(old);
 		qdisc_destroy(old);
-		spin_unlock_bh(&old->q.lock);
+		sch_tree_unlock(old);
 	}
 }