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Diffstat (limited to 'drivers/base/class.c')
-rw-r--r--drivers/base/class.c32
1 files changed, 12 insertions, 20 deletions
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 23dbc66..03243d4 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -301,20 +301,15 @@ void class_destroy(struct class *cls)
* otherwise if it is NULL, the iteration starts at the beginning of
* the list.
*/
-int class_dev_iter_init(struct class_dev_iter *iter, struct class *class,
- struct device *start, const struct device_type *type)
+void class_dev_iter_init(struct class_dev_iter *iter, struct class *class,
+ struct device *start, const struct device_type *type)
{
struct klist_node *start_knode = NULL;
- int error;
if (start)
start_knode = &start->knode_class;
- error = klist_iter_init_node(&class->p->klist_devices, &iter->ki,
- start_knode);
- if (!error)
- iter->type = type;
-
- return error;
+ klist_iter_init_node(&class->p->klist_devices, &iter->ki, start_knode);
+ iter->type = type;
}
EXPORT_SYMBOL_GPL(class_dev_iter_init);
@@ -392,15 +387,14 @@ int class_for_each_device(struct class *class, struct device *start,
return -EINVAL;
}
- error = class_dev_iter_init(&iter, class, start, NULL);
- if (!error) {
- while ((dev = class_dev_iter_next(&iter))) {
- error = fn(dev, data);
- if (error)
- break;
- }
- class_dev_iter_exit(&iter);
+ class_dev_iter_init(&iter, class, start, NULL);
+ while ((dev = class_dev_iter_next(&iter))) {
+ error = fn(dev, data);
+ if (error)
+ break;
}
+ class_dev_iter_exit(&iter);
+
return error;
}
EXPORT_SYMBOL_GPL(class_for_each_device);
@@ -440,9 +434,7 @@ struct device *class_find_device(struct class *class, struct device *start,
return NULL;
}
- if (class_dev_iter_init(&iter, class, start, NULL) < 0)
- return NULL;
-
+ class_dev_iter_init(&iter, class, start, NULL);
while ((dev = class_dev_iter_next(&iter))) {
if (match(dev, data)) {
get_device(dev);