Bluetooth: Use macros for L2CAP channel identifiers

Use macros instead of hardcoded numbers to make the L2CAP source code
more readable.

Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 9 insertions, 9 deletions

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index ca4d3b40d5ce..ff1744e34cd8 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -161,9 +161,9 @@ static inline struct sock *l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8
 
 static u16 l2cap_alloc_cid(struct l2cap_chan_list *l)
 {
-        u16 cid = 0x0040;
+        u16 cid = L2CAP_CID_DYN_START;
 
-        for (; cid < 0xffff; cid++) {
+        for (; cid < L2CAP_CID_DYN_END; cid++) {
                 if(!__l2cap_get_chan_by_scid(l, cid))
                         return cid;
         }
@@ -215,13 +215,13 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct so
                 l2cap_pi(sk)->scid = l2cap_alloc_cid(l);
         } else if (sk->sk_type == SOCK_DGRAM) {
                 /* Connectionless socket */
-                l2cap_pi(sk)->scid = 0x0002;
-                l2cap_pi(sk)->dcid = 0x0002;
+                l2cap_pi(sk)->scid = L2CAP_CID_CONN_LESS;
+                l2cap_pi(sk)->dcid = L2CAP_CID_CONN_LESS;
                 l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
         } else {
                 /* Raw socket can send/recv signalling messages only */
-                l2cap_pi(sk)->scid = 0x0001;
-                l2cap_pi(sk)->dcid = 0x0001;
+                l2cap_pi(sk)->scid = L2CAP_CID_SIGNALING;
+                l2cap_pi(sk)->dcid = L2CAP_CID_SIGNALING;
                 l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
         }
 
@@ -1598,7 +1598,7 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn,
 
         lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
         lh->len = cpu_to_le16(L2CAP_CMD_HDR_SIZE + dlen);
-        lh->cid = cpu_to_le16(0x0001);
+        lh->cid = cpu_to_le16(L2CAP_CID_SIGNALING);
 
         cmd = (struct l2cap_cmd_hdr *) skb_put(skb, L2CAP_CMD_HDR_SIZE);
         cmd->code  = code;
@@ -2420,11 +2420,11 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
         BT_DBG("len %d, cid 0x%4.4x", len, cid);
 
         switch (cid) {
-        case 0x0001:
+        case L2CAP_CID_SIGNALING:
                 l2cap_sig_channel(conn, skb);
                 break;
 
-        case 0x0002:
+        case L2CAP_CID_CONN_LESS:
                 psm = get_unaligned((__le16 *) skb->data);
                 skb_pull(skb, 2);
                 l2cap_conless_channel(conn, psm, skb);