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-rw-r--r--arch/powerpc/boot/flatdevtree.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/powerpc/boot/flatdevtree.c b/arch/powerpc/boot/flatdevtree.c
index d00fbd92a45..b732644788d 100644
--- a/arch/powerpc/boot/flatdevtree.c
+++ b/arch/powerpc/boot/flatdevtree.c
@@ -891,28 +891,27 @@ int ft_set_prop(struct ft_cxt *cxt, const void *phandle, const char *propname,
struct ft_atom atom;
void *node;
char *p, *next;
- int nextra, depth;
+ int nextra;
node = ft_node_ph2node(cxt, phandle);
if (node == NULL)
return -1;
- depth = 0;
- p = node;
+ next = ft_next(cxt, node, &atom);
+ if (atom.tag != OF_DT_BEGIN_NODE)
+ /* phandle didn't point to a node */
+ return -1;
+ p = next;
while ((next = ft_next(cxt, p, &atom)) != NULL) {
switch (atom.tag) {
- case OF_DT_BEGIN_NODE:
- ++depth;
- break;
+ case OF_DT_BEGIN_NODE: /* properties must go before subnodes */
case OF_DT_END_NODE:
- if (--depth > 0)
- break;
/* haven't found the property, insert here */
cxt->p = p;
return ft_prop(cxt, propname, buf, buflen);
case OF_DT_PROP:
- if ((depth != 1) || strcmp(atom.name, propname))
+ if (strcmp(atom.name, propname))
break;
/* found an existing property, overwrite it */
nextra = _ALIGN(buflen, 4) - _ALIGN(atom.size, 4);