Bluetooth: Rename hci_find_ltk_by_addr to hci_find_ltk

Now that hci_find_ltk_by_addr is the only LTK lookup function there's no
need to keep the long name anymore. This patch shortens the function
name to simply hci_find_ltk.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

include/net/bluetooth/hci_core.h

@@ -924,7 +924,7 @@ struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
 			    u8 addr_type, u8 type, u8 authenticated,
 			    u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand);
-struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
+struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
 			     u8 addr_type, u8 role);
 int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type);
 void hci_smp_ltks_clear(struct hci_dev *hdev);

net/bluetooth/hci_core.c

@@ -3185,7 +3185,7 @@ static u8 ltk_role(u8 type)
 	return HCI_ROLE_SLAVE;
 }
 
-struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
+struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
 			     u8 addr_type, u8 role)
 {
 	struct smp_ltk *k;
@@ -3313,7 +3313,7 @@ struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
 	struct smp_ltk *key, *old_key;
 	u8 role = ltk_role(type);
 
-	old_key = hci_find_ltk_by_addr(hdev, bdaddr, addr_type, role);
+	old_key = hci_find_ltk(hdev, bdaddr, addr_type, role);
 	if (old_key)
 		key = old_key;
 	else {

net/bluetooth/hci_event.c

@@ -4590,8 +4590,7 @@ static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	if (conn == NULL)
 		goto not_found;
 
-	ltk = hci_find_ltk_by_addr(hdev, &conn->dst, conn->dst_type,
-				   conn->role);
+	ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
 	if (!ltk)
 		goto not_found;
 

net/bluetooth/smp.c

@@ -1118,8 +1118,7 @@ static bool smp_ltk_encrypt(struct l2cap_conn *conn, u8 sec_level)
 	struct smp_ltk *key;
 	struct hci_conn *hcon = conn->hcon;
 
-	key = hci_find_ltk_by_addr(hcon->hdev, &hcon->dst, hcon->dst_type,
-				   hcon->role);
+	key = hci_find_ltk(hcon->hdev, &hcon->dst, hcon->dst_type, hcon->role);
 	if (!key)
 		return false;
 
@@ -1152,8 +1151,7 @@ bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level,
 	 */
 	if (key_pref == SMP_USE_LTK &&
 	    test_bit(HCI_CONN_STK_ENCRYPT, &hcon->flags) &&
-	    hci_find_ltk_by_addr(hcon->hdev, &hcon->dst, hcon->dst_type,
-				 hcon->role))
+	    hci_find_ltk(hcon->hdev, &hcon->dst, hcon->dst_type, hcon->role))
 		return false;
 
 	if (hcon->sec_level >= sec_level)