Bluetooth: Introduce hci_dev_test_and_change_flag helper macro

Instead of manually coding test_and_change_bit on hdev->dev_flags all the
time, use hci_dev_test_and_change_flag helper macro.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

include/net/bluetooth/hci_core.h

@@ -507,6 +507,8 @@ extern struct mutex hci_cb_list_lock;
 #define hci_dev_change_flag(hdev, nr) change_bit((nr), &(hdev)->dev_flags)
 #define hci_dev_test_flag(hdev, nr)   test_bit((nr), &(hdev)->dev_flags)
 
+#define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), &(hdev)->dev_flags)
+
 /* ----- HCI interface to upper protocols ----- */
 int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
 int l2cap_disconn_ind(struct hci_conn *hcon);

net/bluetooth/mgmt.c

@@ -6102,7 +6102,7 @@ static int set_external_config(struct sock *sk, struct hci_dev *hdev,
 	if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
 		mgmt_index_removed(hdev);
 
-		if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
+		if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
 			hci_dev_set_flag(hdev, HCI_CONFIG);
 			hci_dev_set_flag(hdev, HCI_AUTO_OFF);