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-rw-r--r--drivers/base/dd.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index b0088b0efecd..7ac474db88c5 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -281,24 +281,16 @@ int driver_attach(struct device_driver * drv)
281 return bus_for_each_dev(drv->bus, NULL, drv, __driver_attach); 281 return bus_for_each_dev(drv->bus, NULL, drv, __driver_attach);
282} 282}
283 283
284/** 284/*
285 * device_release_driver - manually detach device from driver.
286 * @dev: device.
287 *
288 * Manually detach device from driver.
289 *
290 * __device_release_driver() must be called with @dev->sem held. 285 * __device_release_driver() must be called with @dev->sem held.
291 * When called for a USB interface, @dev->parent->sem must be held 286 * When called for a USB interface, @dev->parent->sem must be held as well.
292 * as well.
293 */ 287 */
294
295static void __device_release_driver(struct device * dev) 288static void __device_release_driver(struct device * dev)
296{ 289{
297 struct device_driver * drv; 290 struct device_driver * drv;
298 291
299 drv = dev->driver; 292 drv = get_driver(dev->driver);
300 if (drv) { 293 if (drv) {
301 get_driver(drv);
302 driver_sysfs_remove(dev); 294 driver_sysfs_remove(dev);
303 sysfs_remove_link(&dev->kobj, "driver"); 295 sysfs_remove_link(&dev->kobj, "driver");
304 klist_remove(&dev->knode_driver); 296 klist_remove(&dev->knode_driver);
@@ -318,6 +310,13 @@ static void __device_release_driver(struct device * dev)
318 } 310 }
319} 311}
320 312
313/**
314 * device_release_driver - manually detach device from driver.
315 * @dev: device.
316 *
317 * Manually detach device from driver.
318 * When called for a USB interface, @dev->parent->sem must be held.
319 */
321void device_release_driver(struct device * dev) 320void device_release_driver(struct device * dev)
322{ 321{
323 /* 322 /*