diff options
Diffstat (limited to 'drivers/hid/hid-sony.c')
| -rw-r--r-- | drivers/hid/hid-sony.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 93942063b51b..73c0f7a95e2d 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -585,10 +585,14 @@ static void sony_set_leds(struct sony_sc *sc); static inline void sony_schedule_work(struct sony_sc *sc, enum sony_worker which) { + unsigned long flags; + switch (which) { case SONY_WORKER_STATE: - if (!sc->defer_initialization) + spin_lock_irqsave(&sc->lock, flags); + if (!sc->defer_initialization && sc->state_worker_initialized) schedule_work(&sc->state_worker); + spin_unlock_irqrestore(&sc->lock, flags); break; case SONY_WORKER_HOTPLUG: if (sc->hotplug_worker_initialized) @@ -2558,13 +2562,18 @@ static inline void sony_init_output_report(struct sony_sc *sc, static inline void sony_cancel_work_sync(struct sony_sc *sc) { + unsigned long flags; + if (sc->hotplug_worker_initialized) cancel_work_sync(&sc->hotplug_worker); - if (sc->state_worker_initialized) + if (sc->state_worker_initialized) { + spin_lock_irqsave(&sc->lock, flags); + sc->state_worker_initialized = 0; + spin_unlock_irqrestore(&sc->lock, flags); cancel_work_sync(&sc->state_worker); + } } - static int sony_input_configured(struct hid_device *hdev, struct hid_input *hidinput) { @@ -2802,7 +2811,6 @@ err_stop: sony_cancel_work_sync(sc); sony_remove_dev_list(sc); sony_release_device_id(sc); - hid_hw_stop(hdev); return ret; } @@ -2867,6 +2875,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) */ if (!(hdev->claimed & HID_CLAIMED_INPUT)) { hid_err(hdev, "failed to claim input\n"); + hid_hw_stop(hdev); return -ENODEV; } |