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Commit 4c62785e authored by Geliang Tang's avatar Geliang Tang Committed by Greg Kroah-Hartman
Browse files

driver core: bus: use list_for_each_entry* 



Use list_for_each_entry*() instead of list_for_each*() to simplify
the code.

Signed-off-by: default avatarGeliang Tang <geliangtang@163.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 94e1dec7

drivers/base/bus.c

+3 −7
Original line number Diff line number Diff line
@@ -1019,13 +1019,11 @@ static void device_insertion_sort_klist(struct device *a, struct list_head *list 
					int (*compare)(const struct device *a,

							const struct device *b))

{

	struct list_head *pos;

	struct klist_node *n;

	struct device_private *dev_prv;

	struct device *b;



	list_for_each(pos, list) {

		n = container_of(pos, struct klist_node, n_node);

	list_for_each_entry(n, list, n_node) {

		dev_prv = to_device_private_bus(n);

		b = dev_prv->device;

		if (compare(a, b) <= 0) {
@@ -1042,8 +1040,7 @@ void bus_sort_breadthfirst(struct bus_type *bus, 
					  const struct device *b))

{

	LIST_HEAD(sorted_devices);

	struct list_head *pos, *tmp;

	struct klist_node *n;

	struct klist_node *n, *tmp;

	struct device_private *dev_prv;

	struct device *dev;

	struct klist *device_klist;
@@ -1051,8 +1048,7 @@ void bus_sort_breadthfirst(struct bus_type *bus, 
	device_klist = bus_get_device_klist(bus);



	spin_lock(&device_klist->k_lock);

	list_for_each_safe(pos, tmp, &device_klist->k_list) {

		n = container_of(pos, struct klist_node, n_node);

	list_for_each_entry_safe(n, tmp, &device_klist->k_list, n_node) {

		dev_prv = to_device_private_bus(n);

		dev = dev_prv->device;

		device_insertion_sort_klist(dev, &sorted_devices, compare);