[PATCH 2/4] driver core: platform: use put_device() if device_register fail

[Arvind Yadav]

if device_register() returned an error! Always use put_device()
to give up the reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
 drivers/base/platform.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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);
-- 
2.7.4