[PATCH -next] Bluetooth: hci_core: Fix error return code in hci_register_dev()

[Yang Yingliang]

If hci_register_suspend_notifier() fails, it should return error
code in hci_register_dev().

Fixes: d6bb2a91f95b ("Bluetooth: Unregister suspend with userchannel")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
 net/bluetooth/hci_core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index a4b4b3b927f2..dbddf891a4a9 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2646,7 +2646,8 @@ int hci_register_dev(struct hci_dev *hdev)
 	hci_sock_dev_event(hdev, HCI_DEV_REG);
 	hci_dev_hold(hdev);
 
-	if (hci_register_suspend_notifier(hdev))
+	error = hci_register_suspend_notifier(hdev);
+	if (error)
 		goto err_wqueue;
 
 	queue_work(hdev->req_workqueue, &hdev->power_on);
-- 
2.25.1