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Commit 22121fc9 authored by Gustavo Padovan's avatar Gustavo Padovan Committed by Marcel Holtmann
Browse files

Bluetooth: Create separate l2cap_send_disconn_req() function 



The code for sending a disconnect request was repeated several times
within L2CAP source code. So move this into its own function.

Signed-off-by: default avatarGustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent f2fcfcd6

net/bluetooth/l2cap.c

+16 −30
Original line number Diff line number Diff line
@@ -366,6 +366,16 @@ static void l2cap_do_start(struct sock *sk) 
	}

}



static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct sock *sk)

{

	struct l2cap_disconn_req req;



	req.dcid = cpu_to_le16(l2cap_pi(sk)->dcid);

	req.scid = cpu_to_le16(l2cap_pi(sk)->scid);

	l2cap_send_cmd(conn, l2cap_get_ident(conn),

			L2CAP_DISCONN_REQ, sizeof(req), &req);

}



/* ---- L2CAP connections ---- */

static void l2cap_conn_start(struct l2cap_conn *conn)

{
@@ -650,15 +660,10 @@ static void __l2cap_sock_close(struct sock *sk, int reason) 
	case BT_CONFIG:

		if (sk->sk_type == SOCK_SEQPACKET) {

			struct l2cap_conn *conn = l2cap_pi(sk)->conn;

			struct l2cap_disconn_req req;



			sk->sk_state = BT_DISCONN;

			l2cap_sock_set_timer(sk, sk->sk_sndtimeo);



			req.dcid = cpu_to_le16(l2cap_pi(sk)->dcid);

			req.scid = cpu_to_le16(l2cap_pi(sk)->scid);

			l2cap_send_cmd(conn, l2cap_get_ident(conn),

					L2CAP_DISCONN_REQ, sizeof(req), &req);

			l2cap_send_disconn_req(conn, sk);

		} else

			l2cap_chan_del(sk, reason);

		break;
@@ -1786,13 +1791,8 @@ static int l2cap_build_conf_req(struct sock *sk, void *data) 
	case L2CAP_MODE_STREAMING:

	case L2CAP_MODE_ERTM:

		pi->conf_state |= L2CAP_CONF_STATE2_DEVICE;

		if (!l2cap_mode_supported(pi->mode, pi->conn->feat_mask)) {

			struct l2cap_disconn_req req;

			req.dcid = cpu_to_le16(pi->dcid);

			req.scid = cpu_to_le16(pi->scid);

			l2cap_send_cmd(pi->conn, l2cap_get_ident(pi->conn),

					L2CAP_DISCONN_REQ, sizeof(req), &req);

		}

		if (!l2cap_mode_supported(pi->mode, pi->conn->feat_mask))

			l2cap_send_disconn_req(pi->conn, sk);

		break;

	default:

		pi->mode = l2cap_select_mode(rfc.mode, pi->conn->feat_mask);
@@ -2286,11 +2286,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr 
	/* Complete config. */

	len = l2cap_parse_conf_req(sk, rsp);

	if (len < 0) {

		struct l2cap_disconn_req req;

		req.dcid = cpu_to_le16(l2cap_pi(sk)->dcid);

		req.scid = cpu_to_le16(l2cap_pi(sk)->scid);

		l2cap_send_cmd(conn, l2cap_get_ident(conn),

					L2CAP_DISCONN_REQ, sizeof(req), &req);

		l2cap_send_disconn_req(conn, sk);

		goto unlock;

	}
@@ -2352,11 +2348,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr 
			len = l2cap_parse_conf_rsp(sk, rsp->data,

							len, req, &result);

			if (len < 0) {

				struct l2cap_disconn_req req;

				req.dcid = cpu_to_le16(l2cap_pi(sk)->dcid);

				req.scid = cpu_to_le16(l2cap_pi(sk)->scid);

				l2cap_send_cmd(conn, l2cap_get_ident(conn),

					L2CAP_DISCONN_REQ, sizeof(req), &req);

				l2cap_send_disconn_req(conn, sk);

				goto done;

			}
@@ -2372,13 +2364,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr 
		sk->sk_state = BT_DISCONN;

		sk->sk_err = ECONNRESET;

		l2cap_sock_set_timer(sk, HZ * 5);

		{

			struct l2cap_disconn_req req;

			req.dcid = cpu_to_le16(l2cap_pi(sk)->dcid);

			req.scid = cpu_to_le16(l2cap_pi(sk)->scid);

			l2cap_send_cmd(conn, l2cap_get_ident(conn),

					L2CAP_DISCONN_REQ, sizeof(req), &req);

		}

		l2cap_send_disconn_req(conn, sk);

		goto done;

	}