platform_device: use a macro instead of platform_driver_register

I found a lot of mistakes using struct platform_driver without owner
so I make a macro instead of the function platform_driver_register.
It can set owner in it, then guys don`t care about module owner again.

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 9abf1db6aea6..cd46ee58b9dc 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -180,7 +180,13 @@ struct platform_driver {
         const struct platform_device_id *id_table;
 };
 
-extern int platform_driver_register(struct platform_driver *);
+/*
+ * use a macro to avoid include chaining to get THIS_MODULE
+ */
+#define platform_driver_register(drv) \
+        __platform_driver_register(drv, THIS_MODULE)
+extern int __platform_driver_register(struct platform_driver *,
+                                        struct module *);
 extern void platform_driver_unregister(struct platform_driver *);
 
 /* non-hotpluggable platform devices may use this so that probe() and