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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: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geliang Tang 2016-01-05 23:03:37 +08:00 committed by Greg Kroah-Hartman
parent 94e1dec7a9
commit 4c62785e67
1 changed files with 3 additions and 7 deletions
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10
drivers/base/bus.c
View File

@ -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);