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drivers/of: Validate device node in __unflatten_device_tree()
[cascardo/linux.git]
/
drivers
/
of
/
fdt.c
diff --git
a/drivers/of/fdt.c
b/drivers/of/fdt.c
index
55f1b83
..
085c638
100644
(file)
--- a/
drivers/of/fdt.c
+++ b/
drivers/of/fdt.c
@@
-517,7
+517,7
@@
static void *__unflatten_device_tree(const void *blob,
pr_warning("End of tree marker overwritten: %08x\n",
be32_to_cpup(mem + size));
- if (detached) {
+ if (detached
&& mynodes
) {
of_node_set_flag(*mynodes, OF_DETACHED);
pr_debug("unflattened tree is detached\n");
}