Bluetooth: Remove duplicated code in l2cap conn req

The same sequence sending L2CAP Connection Request was used in several
places. Using subroutine makes those places easy to read.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Reviewed-by: Ulisses Furquim <ulisses@profusion.mobi>
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index db04c9e..bdcfbf0 100644 (file)
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -667,6 +667,21 @@ static inline int __l2cap_no_conn_pending(struct l2cap_chan *chan)
        return !test_bit(CONF_CONNECT_PEND, &chan->conf_state);
 }
 
+static void l2cap_send_conn_req(struct l2cap_chan *chan)
+{
+       struct l2cap_conn *conn = chan->conn;
+       struct l2cap_conn_req req;
+
+       req.scid = cpu_to_le16(chan->scid);
+       req.psm  = chan->psm;
+
+       chan->ident = l2cap_get_ident(conn);
+
+       set_bit(CONF_CONNECT_PEND, &chan->conf_state);
+
+       l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_REQ, sizeof(req), &req);
+}
+
 static void l2cap_do_start(struct l2cap_chan *chan)
 {
        struct l2cap_conn *conn = chan->conn;
@@ -676,17 +691,8 @@ static void l2cap_do_start(struct l2cap_chan *chan)
                        return;
 
                if (l2cap_chan_check_security(chan) &&
-                               __l2cap_no_conn_pending(chan)) {
-                       struct l2cap_conn_req req;
-                       req.scid = cpu_to_le16(chan->scid);
-                       req.psm  = chan->psm;
-
-                       chan->ident = l2cap_get_ident(conn);
-                       set_bit(CONF_CONNECT_PEND, &chan->conf_state);
-
-                       l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_REQ,
-                                                       sizeof(req), &req);
-               }
+                               __l2cap_no_conn_pending(chan))
+                       l2cap_send_conn_req(chan);
        } else {
                struct l2cap_info_req req;
                req.type = cpu_to_le16(L2CAP_IT_FEAT_MASK);
@@ -763,8 +769,6 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
                }
 
                if (chan->state == BT_CONNECT) {
-                       struct l2cap_conn_req req;
-
                        if (!l2cap_chan_check_security(chan) ||
                                        !__l2cap_no_conn_pending(chan)) {
                                l2cap_chan_unlock(chan);
@@ -779,14 +783,7 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
                                continue;
                        }
 
-                       req.scid = cpu_to_le16(chan->scid);
-                       req.psm  = chan->psm;
-
-                       chan->ident = l2cap_get_ident(conn);
-                       set_bit(CONF_CONNECT_PEND, &chan->conf_state);
-
-                       l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_REQ,
-                                                       sizeof(req), &req);
+                       l2cap_send_conn_req(chan);
 
                } else if (chan->state == BT_CONNECT2) {
                        struct l2cap_conn_rsp rsp;
@@ -4593,15 +4590,7 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
 
                if (chan->state == BT_CONNECT) {
                        if (!status) {
-                               struct l2cap_conn_req req;
-                               req.scid = cpu_to_le16(chan->scid);
-                               req.psm  = chan->psm;
-
-                               chan->ident = l2cap_get_ident(conn);
-                               set_bit(CONF_CONNECT_PEND, &chan->conf_state);
-
-                               l2cap_send_cmd(conn, chan->ident,
-                                       L2CAP_CONN_REQ, sizeof(req), &req);
+                               l2cap_send_conn_req(chan);
                        } else {
                                __clear_chan_timer(chan);
                                __set_chan_timer(chan,