driver core: platform: use put_device() if device_register fail
if device_register() returned an error! Always use put_device()
to give up the reference initialized.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index f1bf7b3..8075ddc 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1153,8 +1153,10 @@ int __init platform_bus_init(void)
early_platform_cleanup();
error = device_register(&platform_bus);
- if (error)
+ if (error) {
+ put_device(&platform_bus);
return error;
+ }
error = bus_register(&platform_bus_type);
if (error)
device_unregister(&platform_bus);