diff options
Diffstat (limited to 'kernel/drivers/hid/usbhid/hid-core.c')
| -rw-r--r-- | kernel/drivers/hid/usbhid/hid-core.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/drivers/hid/usbhid/hid-core.c b/kernel/drivers/hid/usbhid/hid-core.c index eab5bd6a2..5dd426fee 100644 --- a/kernel/drivers/hid/usbhid/hid-core.c +++ b/kernel/drivers/hid/usbhid/hid-core.c @@ -477,8 +477,6 @@ static void hid_ctrl(struct urb *urb) struct usbhid_device *usbhid = hid->driver_data; int unplug = 0, status = urb->status; - spin_lock(&usbhid->lock); - switch (status) { case 0: /* success */ if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN) @@ -498,6 +496,8 @@ static void hid_ctrl(struct urb *urb) hid_warn(urb->dev, "ctrl urb status %d received\n", status); } + spin_lock(&usbhid->lock); + if (unplug) { usbhid->ctrltail = usbhid->ctrlhead; } else { @@ -710,7 +710,8 @@ int usbhid_open(struct hid_device *hid) * Wait 50 msec for the queue to empty before allowing events * to go through hid. */ - msleep(50); + if (res == 0 && !(hid->quirks & HID_QUIRK_ALWAYS_POLL)) + msleep(50); clear_bit(HID_RESUME_RUNNING, &usbhid->iofl); } done: |