[PATCH] net: hns: 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...@gmail.com>
---
 drivers/net/ethernet/hisilicon/hns/hnae.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c 
b/drivers/net/ethernet/hisilicon/hns/hnae.c
index a051e58..0cf5ceb 100644
--- a/drivers/net/ethernet/hisilicon/hns/hnae.c
+++ b/drivers/net/ethernet/hisilicon/hns/hnae.c
@@ -422,8 +422,10 @@ int hnae_ae_register(struct hnae_ae_dev *hdev, struct 
module *owner)
        hdev->cls_dev.release = hnae_release;
        (void)dev_set_name(&hdev->cls_dev, "hnae%d", hdev->id);
        ret = device_register(&hdev->cls_dev);
-       if (ret)
+       if (ret) {
+               put_device(&hdev->cls_dev);
                return ret;
+       }
 
        __module_get(THIS_MODULE);
 
-- 
1.9.1