commit 6162dbe49a451f96431a23b4821f05e3bd925bc1
author Grant Likely <grant.likely@linaro.org> Wed Jul 16 08:48:46 2014 -0600
committer Grant Likely <grant.likely@linaro.org> Wed Jul 23 17:05:45 2014 -0600
tree 946033c87a34a385903784f401d3fc5eae67a77c
parent 8a2b22a2595bf89d4396530edf8388159fad9d83

of: Make sure attached nodes don't carry along extra children

The child pointer does not get cleared when attaching new nodes which
could cause the tree to be inconsistent. Clear the child pointer in
__of_attach_node() to be absolutely sure that the structure remains in a
consistent layout.

Signed-off-by: Grant Likely <grant.likely@linaro.org>

drivers/of/dynamic.c

diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index c875787..b96d831 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -98,6 +98,7 @@
 
 void __of_attach_node(struct device_node *np)
 {
+	np->child = NULL;
 	np->sibling = np->parent->child;
 	np->allnext = np->parent->allnext;
 	np->parent->allnext = np;