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Commit c78ae283 authored by Marcel Holtmann's avatar Marcel Holtmann
Browse files

Bluetooth: Unobfuscate tasklet_schedule usage 



The tasklet schedule function helpers are just an obfuscation. So remove
them and call the schedule functions directly.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 76bca880

include/net/bluetooth/hci_core.h

+0 −16
Original line number Diff line number Diff line
@@ -367,22 +367,6 @@ static inline void hci_conn_put(struct hci_conn *conn) 
	}

}



/* ----- HCI tasks ----- */

static inline void hci_sched_cmd(struct hci_dev *hdev)

{

	tasklet_schedule(&hdev->cmd_task);

}



static inline void hci_sched_rx(struct hci_dev *hdev)

{

	tasklet_schedule(&hdev->rx_task);

}



static inline void hci_sched_tx(struct hci_dev *hdev)

{

	tasklet_schedule(&hdev->tx_task);

}



/* ----- HCI Devices ----- */

static inline void __hci_dev_put(struct hci_dev *d)

{

net/bluetooth/hci_core.c

+12 −6
Original line number Diff line number Diff line
@@ -193,8 +193,9 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt) 
	while ((skb = skb_dequeue(&hdev->driver_init))) {

		bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;

		skb->dev = (void *) hdev;



		skb_queue_tail(&hdev->cmd_q, skb);

		hci_sched_cmd(hdev);

		tasklet_schedule(&hdev->cmd_task);

	}

	skb_queue_purge(&hdev->driver_init);
@@ -1005,7 +1006,8 @@ int hci_recv_frame(struct sk_buff *skb) 


	/* Queue frame for rx task */

	skb_queue_tail(&hdev->rx_q, skb);

	hci_sched_rx(hdev);

	tasklet_schedule(&hdev->rx_task);



	return 0;

}

EXPORT_SYMBOL(hci_recv_frame);
@@ -1216,8 +1218,9 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param) 


	bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;

	skb->dev = (void *) hdev;



	skb_queue_tail(&hdev->cmd_q, skb);

	hci_sched_cmd(hdev);

	tasklet_schedule(&hdev->cmd_task);



	return 0;

}
@@ -1294,7 +1297,8 @@ int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags) 
		spin_unlock_bh(&conn->data_q.lock);

	}



	hci_sched_tx(hdev);

	tasklet_schedule(&hdev->tx_task);



	return 0;

}

EXPORT_SYMBOL(hci_send_acl);
@@ -1321,8 +1325,10 @@ int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb) 


	skb->dev = (void *) hdev;

	bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;



	skb_queue_tail(&conn->data_q, skb);

	hci_sched_tx(hdev);

	tasklet_schedule(&hdev->tx_task);



	return 0;

}

EXPORT_SYMBOL(hci_send_sco);
@@ -1635,7 +1641,7 @@ static void hci_cmd_task(unsigned long arg) 
			hdev->cmd_last_tx = jiffies;

		} else {

			skb_queue_head(&hdev->cmd_q, skb);

			hci_sched_cmd(hdev);

			tasklet_schedule(&hdev->cmd_task);

		}

	}

}

net/bluetooth/hci_event.c

+3 −3
Original line number Diff line number Diff line
@@ -1320,7 +1320,7 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk 
	if (ev->ncmd) {

		atomic_set(&hdev->cmd_cnt, 1);

		if (!skb_queue_empty(&hdev->cmd_q))

			hci_sched_cmd(hdev);

			tasklet_schedule(&hdev->cmd_task);

	}

}
@@ -1386,7 +1386,7 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) 
	if (ev->ncmd) {

		atomic_set(&hdev->cmd_cnt, 1);

		if (!skb_queue_empty(&hdev->cmd_q))

			hci_sched_cmd(hdev);

			tasklet_schedule(&hdev->cmd_task);

	}

}
@@ -1454,7 +1454,7 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s 
		}

	}



	hci_sched_tx(hdev);

	tasklet_schedule(&hdev->tx_task);



	tasklet_enable(&hdev->tx_task);

}

net/bluetooth/hci_sock.c

+3 −3
Original line number Diff line number Diff line
@@ -445,10 +445,10 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, 


		if (test_bit(HCI_RAW, &hdev->flags) || (ogf == 0x3f)) {

			skb_queue_tail(&hdev->raw_q, skb);

			hci_sched_tx(hdev);

			tasklet_schedule(&hdev->tx_task);

		} else {

			skb_queue_tail(&hdev->cmd_q, skb);

			hci_sched_cmd(hdev);

			tasklet_schedule(&hdev->cmd_task);

		}

	} else {

		if (!capable(CAP_NET_RAW)) {
@@ -457,7 +457,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, 
		}



		skb_queue_tail(&hdev->raw_q, skb);

		hci_sched_tx(hdev);

		tasklet_schedule(&hdev->tx_task);

	}



	err = len;