Signed-off-by: Robert ABEL <ra...@cit-ec.uni-bielefeld.de>
---
 kernel/resource.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/kernel/resource.c b/kernel/resource.c
index 0bcebff..b4c9b27 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -236,6 +236,13 @@ static int __release_resource(struct resource *old)
 {
        struct resource *tmp, **p;
 
+    /* devicetree overlays:
+     * of code doesn't initialize parent, child, sibling
+     * gracefully 'do the right thing' here
+     */
+       if (WARN(!old->parent, "%s: uninitialized resource %s\n", __FUNCTION__, 
old->name))
+               return 0;
+
        p = &old->parent->child;
        for (;;) {
                tmp = *p;
-- 
2.5.0

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to