[TCP]: Change tcp_diag to use the existing __RTA_PUT() macro.

[powerpc.git] / drivers / base / driver.c

diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 3b269f7..1b64588 100644 (file)
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -18,6 +18,43 @@
 #define to_dev(node) container_of(node, struct device, driver_list)
 #define to_drv(obj) container_of(obj, struct device_driver, kobj)
 
+
+static struct device * next_device(struct klist_iter * i)
+{
+       struct klist_node * n = klist_next(i);
+       return n ? container_of(n, struct device, knode_driver) : NULL;
+}
+
+/**
+ *     driver_for_each_device - Iterator for devices bound to a driver.
+ *     @drv:   Driver we're iterating.
+ *     @data:  Data to pass to the callback.
+ *     @fn:    Function to call for each device.
+ *
+ *     Iterate over the @drv's list of devices calling @fn for each one.
+ */
+
+int driver_for_each_device(struct device_driver * drv, struct device * start, 
+                          void * data, int (*fn)(struct device *, void *))
+{
+       struct klist_iter i;
+       struct device * dev;
+       int error = 0;
+
+       if (!drv)
+               return -EINVAL;
+
+       klist_iter_init_node(&drv->klist_devices, &i,
+                            start ? &start->knode_driver : NULL);
+       while ((dev = next_device(&i)) && !error)
+               error = fn(dev, data);
+       klist_iter_exit(&i);
+       return error;
+}
+
+EXPORT_SYMBOL_GPL(driver_for_each_device);
+
+
 /**
  *     driver_create_file - create sysfs file for driver.
  *     @drv:   driver.
@@ -85,7 +122,7 @@ void put_driver(struct device_driver * drv)
  */
 int driver_register(struct device_driver * drv)
 {
-       INIT_LIST_HEAD(&drv->devices);
+       klist_init(&drv->klist_devices);
        init_completion(&drv->unloaded);
        return bus_add_driver(drv);
 }