Bluetooth: Use bool for smp_ltk_encrypt return value

The return value of smp_ltk_encrypt is simple boolean, so just use
bool and make the code a bit more readable.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 414c515..35f5709 100644 (file)
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -837,7 +837,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb)
        return smp_random(smp);
 }
 
-static u8 smp_ltk_encrypt(struct l2cap_conn *conn, u8 sec_level)
+static bool smp_ltk_encrypt(struct l2cap_conn *conn, u8 sec_level)
 {
        struct smp_ltk *key;
        struct hci_conn *hcon = conn->hcon;
@@ -845,18 +845,18 @@ static u8 smp_ltk_encrypt(struct l2cap_conn *conn, u8 sec_level)
        key = hci_find_ltk_by_addr(hcon->hdev, &hcon->dst, hcon->dst_type,
                                   hcon->out);
        if (!key)
-               return 0;
+               return false;
 
        if (sec_level > BT_SECURITY_MEDIUM && !key->authenticated)
-               return 0;
+               return false;
 
        if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->flags))
-               return 1;
+               return true;
 
        hci_le_start_enc(hcon, key->ediv, key->rand, key->val);
        hcon->enc_key_size = key->enc_size;
 
-       return 1;
+       return true;
 }
 
 static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)