1 From 984c98b47f9ffd5f57599e604df2cc09c63f74ba Mon Sep 17 00:00:00 2001
2 From: Phil Elwell <phil@raspberrypi.org>
3 Date: Fri, 13 Mar 2015 12:43:36 +0000
4 Subject: [PATCH] Protect __release_resource against resources without parents
6 Without this patch, removing a device tree overlay can crash here.
8 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
10 kernel/resource.c | 6 ++++++
11 1 file changed, 6 insertions(+)
13 --- a/kernel/resource.c
14 +++ b/kernel/resource.c
15 @@ -237,6 +237,12 @@ static int __release_resource(struct res
17 struct resource *tmp, **p;
20 + WARN(old->sibling, "sibling but no parent");
25 p = &old->parent->child;