From: Patrick McHardy <kaber@trash.net>
Date: Thu, 11 May 2006 19:22:03 +0000 (-0700)
Subject: [NET_SCHED]: HFSC: fix thinko in hfsc_adjust_levels()
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=210525d65d33d17eb6bea6c965ce442d60d9aa8d;p=deliverable%2Flinux.git

[NET_SCHED]: HFSC: fix thinko in hfsc_adjust_levels()

When deleting the last child the level of a class should drop to zero.

Noticed by Andreas Mueller <andreas@stapelspeicher.org>

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 91132f6871d7..f1c7bd29f2cd 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -974,10 +974,10 @@ hfsc_adjust_levels(struct hfsc_class *cl)
 	do {
 		level = 0;
 		list_for_each_entry(p, &cl->children, siblings) {
-			if (p->level > level)
-				level = p->level;
+			if (p->level >= level)
+				level = p->level + 1;
 		}
-		cl->level = level + 1;
+		cl->level = level;
 	} while ((cl = cl->cl_parent) != NULL);
 }