diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 6ae5aa5..3c5e80f 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2757,7 +2757,8 @@ int hci_register_suspend_notifier(struct hci_dev *hdev)
 {
 	int ret = 0;
 
-	if (!test_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks)) {
+	if (!hdev->suspend_notifier.notifier_call &&
+		!test_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks)) {
 		hdev->suspend_notifier.notifier_call = hci_suspend_notifier;
 		ret = register_pm_notifier(&hdev->suspend_notifier);
 	}
@@ -2769,8 +2770,11 @@ int hci_unregister_suspend_notifier(struct hci_dev *hdev)
 {
 	int ret = 0;
 
-	if (!test_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks))
+	if (hdev->suspend_notifier.notifier_call) {
 		ret = unregister_pm_notifier(&hdev->suspend_notifier);
+		if (!ret)
+				hdev->suspend_notifier.notifier_call = NULL;
+	}
 
 	return ret;
 }