[PATCH] Make sure nobody's leaking resources

[Matthew Wilcox]

Currently, releasing a resource also releases all of its children.  That
made sense when request_resource was the main method of dividing up the
memory map.  With the increased use of insert_resource, it seems to me
that we should instead reparent the newly orphaned resources.  Before
we do that, let's make sure that nobody's actually relying on the current
semantics.

Signed-off-by: Matthew Wilcox <matthew@xxxxxx>

diff -urpNX dontdiff linus-2.6/kernel/resource.c parisc-2.6/kernel/resource.c
--- linus-2.6/kernel/resource.c	2006-03-20 07:29:06.000000000 -0700
+++ parisc-2.6/kernel/resource.c	2006-03-20 07:00:47.000000000 -0700
@@ -181,6 +181,8 @@ static int __release_resource(struct res
 {
 	struct resource *tmp, **p;
 
+	BUG_ON(old->child);
+
 	p = &old->parent->child;
 	for (;;) {
 		tmp = *p;
-
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