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-rw-r--r--drivers/hid/usbhid/hid-core.c47
1 files changed, 16 insertions, 31 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 213b3f39753c..0fa07d95202d 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -435,16 +435,6 @@ static int hid_submit_ctrl(struct hid_device *hid)
* Output interrupt completion handler.
*/
-static int irq_out_pump_restart(struct hid_device *hid)
-{
- struct usbhid_device *usbhid = hid->driver_data;
-
- if (usbhid->outhead != usbhid->outtail)
- return hid_submit_out(hid);
- else
- return -1;
-}
-
static void hid_irq_out(struct urb *urb)
{
struct hid_device *hid = urb->context;
@@ -469,15 +459,17 @@ static void hid_irq_out(struct urb *urb)
spin_lock_irqsave(&usbhid->lock, flags);
- if (unplug)
+ if (unplug) {
usbhid->outtail = usbhid->outhead;
- else
+ } else {
usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
- if (!irq_out_pump_restart(hid)) {
- /* Successfully submitted next urb in queue */
- spin_unlock_irqrestore(&usbhid->lock, flags);
- return;
+ if (usbhid->outhead != usbhid->outtail &&
+ hid_submit_out(hid) == 0) {
+ /* Successfully submitted next urb in queue */
+ spin_unlock_irqrestore(&usbhid->lock, flags);
+ return;
+ }
}
clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
@@ -489,15 +481,6 @@ static void hid_irq_out(struct urb *urb)
/*
* Control pipe completion handler.
*/
-static int ctrl_pump_restart(struct hid_device *hid)
-{
- struct usbhid_device *usbhid = hid->driver_data;
-
- if (usbhid->ctrlhead != usbhid->ctrltail)
- return hid_submit_ctrl(hid);
- else
- return -1;
-}
static void hid_ctrl(struct urb *urb)
{
@@ -526,15 +509,17 @@ static void hid_ctrl(struct urb *urb)
hid_warn(urb->dev, "ctrl urb status %d received\n", status);
}
- if (unplug)
+ if (unplug) {
usbhid->ctrltail = usbhid->ctrlhead;
- else
+ } else {
usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
- if (!ctrl_pump_restart(hid)) {
- /* Successfully submitted next urb in queue */
- spin_unlock(&usbhid->lock);
- return;
+ if (usbhid->ctrlhead != usbhid->ctrltail &&
+ hid_submit_ctrl(hid) == 0) {
+ /* Successfully submitted next urb in queue */
+ spin_unlock(&usbhid->lock);
+ return;
+ }
}
clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);