Bluetooth: Make is_identity_address a global function

There are more places that can take advantage of is_identity_address()
besides hci_core.c. This patch moves the function to hci_core.h and
gives it the appropriate hci_ prefix.
Signed-off-by: NJohan Hedberg <johan.hedberg@intel.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

include/net/bluetooth/hci_core.h

@@ -1179,6 +1179,18 @@ static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
 	return false;
 }
 
+static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)
+{
+	if (addr_type == ADDR_LE_DEV_PUBLIC)
+		return true;
+
+	/* Check for Random Static address type */
+	if ((addr->b[5] & 0xc0) == 0xc0)
+		return true;
+
+	return false;
+}
+
 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
 					  bdaddr_t *bdaddr, u8 addr_type)
 {

net/bluetooth/hci_core.c

@@ -3412,18 +3412,6 @@ static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
 	return true;
 }
 
-static bool is_identity_address(bdaddr_t *addr, u8 addr_type)
-{
-	if (addr_type == ADDR_LE_DEV_PUBLIC)
-		return true;
-
-	/* Check for Random Static address type */
-	if ((addr->b[5] & 0xc0) == 0xc0)
-		return true;
-
-	return false;
-}
-
 /* This function requires the caller holds hdev->lock */
 struct bdaddr_list *hci_pend_le_conn_lookup(struct hci_dev *hdev,
 					    bdaddr_t *addr, u8 addr_type)
@@ -3504,7 +3492,7 @@ struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
 {
 	struct hci_conn_params *params;
 
-	if (!is_identity_address(addr, addr_type))
+	if (!hci_is_identity_address(addr, addr_type))
 		return NULL;
 
 	params = hci_conn_params_lookup(hdev, addr, addr_type);