HID: sony: Use inliners for work queue initialization and cancellation

Use inliners to make sure that the work queue initialization flag is always
checked and set correctly when initializing or cancelling the work queue.

Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 908de278921944dfae837284f582e117617c479d..243209c4dcafb2010e9ffb10cc072b6334ad212f 100644 (file)
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -1578,6 +1578,20 @@ static int sony_check_add(struct sony_sc *sc)
        return sony_check_add_dev_list(sc);
 }
 
+static inline void sony_init_work(struct sony_sc *sc,
+                                       void (*worker)(struct work_struct *))
+{
+       if (!sc->worker_initialized)
+               INIT_WORK(&sc->state_worker, worker);
+
+       sc->worker_initialized = 1;
+}
+
+static inline void sony_cancel_work_sync(struct sony_sc *sc)
+{
+       if (sc->worker_initialized)
+               cancel_work_sync(&sc->state_worker);
+}
 
 static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
@@ -1629,8 +1643,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
                hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
                hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
                ret = sixaxis_set_operational_usb(hdev);
-               sc->worker_initialized = 1;
-               INIT_WORK(&sc->state_worker, sixaxis_state_worker);
+               sony_init_work(sc, sixaxis_state_worker);
        } else if (sc->quirks & SIXAXIS_CONTROLLER_BT) {
                /*
                 * The Sixaxis wants output reports sent on the ctrl endpoint
@@ -1638,8 +1651,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
                 */
                hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
                ret = sixaxis_set_operational_bt(hdev);
-               sc->worker_initialized = 1;
-               INIT_WORK(&sc->state_worker, sixaxis_state_worker);
+               sony_init_work(sc, sixaxis_state_worker);
        } else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
                if (sc->quirks & DUALSHOCK4_CONTROLLER_BT) {
                        /*
@@ -1661,8 +1673,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
                if (ret < 0)
                        goto err_stop;
 
-               sc->worker_initialized = 1;
-               INIT_WORK(&sc->state_worker, dualshock4_state_worker);
+               sony_init_work(sc, dualshock4_state_worker);
        } else {
                ret = 0;
        }
@@ -1707,8 +1718,7 @@ err_stop:
                sony_leds_remove(hdev);
        if (sc->quirks & SONY_BATTERY_SUPPORT)
                sony_battery_remove(sc);
-       if (sc->worker_initialized)
-               cancel_work_sync(&sc->state_worker);
+       sony_cancel_work_sync(sc);
        sony_remove_dev_list(sc);
        hid_hw_stop(hdev);
        return ret;
@@ -1726,8 +1736,7 @@ static void sony_remove(struct hid_device *hdev)
                sony_battery_remove(sc);
        }
 
-       if (sc->worker_initialized)
-               cancel_work_sync(&sc->state_worker);
+       sony_cancel_work_sync(sc);
 
        sony_remove_dev_list(sc);