diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index 166c5cc73f39..6f7443c6d3b5 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -779,16 +779,23 @@ EXPORT_SYMBOL_GPL(software_node_register_node_group); * software_node_unregister_node_group - Unregister a group of software nodes * @node_group: NULL terminated array of software node pointers to be unregistered * - * Unregister multiple software nodes at once. + * Unregister multiple software nodes at once. The array will be unwound in + * reverse order (i.e. last entry first) and thus if any members of the array are + * children of another member then the children must appear later in the list such + * that they are unregistered first. */ -void software_node_unregister_node_group(const struct software_node **node_group) +void software_node_unregister_node_group( + const struct software_node **node_group) { - unsigned int i; + unsigned int i = 0; if (!node_group) return; - for (i = 0; node_group[i]; i++) + while (node_group[i]) + i++; + + while (i--) software_node_unregister(node_group[i]); } EXPORT_SYMBOL_GPL(software_node_unregister_node_group);