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 f1bf7b38d91ca7ac69a5477ed08103f59e151bbe..8075ddc70a17825f4aa39cc52e3ef82d48f31263 100644 (file)
--- 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);