driverfs: add device_remove_symlink wrapper for removing symlinks (since driverfs

API is just about to change...)

drivers/base/base.h

@@ -17,6 +17,7 @@ extern int device_make_dir(struct device * dev);
 extern void device_remove_dir(struct device * dev);
 
 extern int device_bus_link(struct device * dev);
+extern void device_remove_symlink(struct driver_dir_entry * dir, const char * name);
 
 extern int driver_attach(struct device_driver * drv);
 extern void driver_detach(struct device_driver * drv);

drivers/base/bus.c

@@ -140,7 +140,7 @@ int bus_add_device(struct device * dev)
 void bus_remove_device(struct device * dev)
 {
 	if (dev->bus) {
-		driverfs_remove_file(&dev->bus->device_dir,dev->bus_id);
+		device_remove_symlink(&dev->bus->device_dir,dev->bus_id);
 		write_lock(&dev->bus->lock);
 		list_del_init(&dev->bus_list);
 		write_unlock(&dev->bus->lock);

drivers/base/fs.c

@@ -127,6 +127,11 @@ int device_bus_link(struct device * dev)
 	return error;
 }
 
+void device_remove_symlink(struct driver_dir_entry * dir, const char * name)
+{
+	driverfs_remove_file(dir,name);
+}
+
 int device_create_dir(struct driver_dir_entry * dir, struct driver_dir_entry * parent)
 {
 	dir->mode  = (S_IFDIR| S_IRWXU | S_IRUGO | S_IXUGO);