Thanks to Arjan's spinlock debug kernel for finding it.
This fixes a silly missing spin lock in the relock path. For some
reason it seems to still work when you don't have spinlock debugging
enabled.
Please apply.
-Andi
--------------------------------------------------------------------
Fix missing spin lock in lltx path.
Thanks to Arjan's spinlock debug kernel for finding it.
Signed-off-by: Andi Kleen <ak@xxxxxx>
diff -u linux-2.6.9rc1-bk19/net/sched/sch_generic.c-X linux-2.6.9rc1-bk19/net/sched/sch_generic.c
--- linux-2.6.9rc1-bk19/net/sched/sch_generic.c-X 2004-09-13 08:51:46.000000000 +0200
+++ linux-2.6.9rc1-bk19/net/sched/sch_generic.c 2004-09-13 19:22:50.000000000 +0200
@@ -153,8 +153,10 @@
spin_lock(&dev->queue_lock);
return -1;
}
- if (ret == -1 && nolock)
+ if (ret == -1 && nolock) {
+ spin_lock(&dev->queue_lock);
goto collision;
+ }