drivers/usb: Remove unnecessary return's from void functions

Greg prefers this to go through the trivial tree.
http://lkml.org/lkml/2010/6/24/1

There are about 2500 void functions in drivers/usb
Only a few used return; at end of function.

Standardize them a bit.

Moved a statement down a line in drivers/usb/host/u132-hcd.c

Signed-off-by: Joe Perches <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

drivers/usb/gadget/at91_udc.c

···
 	csr |= AT91_UDP_TXPKTRDY;
 	__raw_writel(csr, creg);
 	udc->req_pending = 0;
-	return;
 }
 
 static void handle_ep0(struct at91_udc *udc)

drivers/usb/gadget/f_audio.c

···
 
 	u_audio_playback(&audio->card, play_buf->buf, play_buf->actual);
 	f_audio_buffer_free(play_buf);
-
-	return;
 }
 
 static int f_audio_out_ep_complete(struct usb_ep *ep, struct usb_request *req)

drivers/usb/gadget/f_hid.c

···
 	spin_unlock(&hidg->spinlock);
 
 	wake_up(&hidg->read_queue);
-
-	return;
 }
 
 static int hidg_setup(struct usb_function *f,
···
 
 	usb_ep_disable(hidg->in_ep);
 	hidg->in_ep->driver_data = NULL;
-
-	return;
 }
 
 static int hidg_set_alt(struct usb_function *f, unsigned intf, unsigned alt)

drivers/usb/gadget/fsl_udc_core.c

···
 	temp = fsl_readl(&dr_regs->usbcmd);
 	temp |= USB_CMD_RUN_STOP;
 	fsl_writel(temp, &dr_regs->usbcmd);
-
-	return;
 }
 
 static void dr_controller_stop(struct fsl_udc *udc)
···
 	tmp = fsl_readl(&dr_regs->usbcmd);
 	tmp &= ~USB_CMD_RUN_STOP;
 	fsl_writel(tmp, &dr_regs->usbcmd);
-
-	return;
 }
 
 static void dr_ep_setup(unsigned char ep_num, unsigned char dir,
···
 	p_QH->max_pkt_length = cpu_to_le32(tmp);
 	p_QH->next_dtd_ptr = 1;
 	p_QH->size_ioc_int_sts = 0;
-
-	return;
 }
 
 /* Setup qh structure and ep register for ep0. */

drivers/usb/gadget/langwell_udc.c

···
 	}
 
 	VDBG(dev, "<--- %s()\n", __func__);
-	return;
 }
 
 
···
 	writel(usbcmd, &dev->op_regs->usbcmd);
 
 	DBG(dev, "<--- %s()\n", __func__);
-	return;
 }
 
 
···
 	writel(usbcmd, &dev->op_regs->usbcmd);
 
 	DBG(dev, "<--- %s()\n", __func__);
-	return;
 }
 
 

drivers/usb/gadget/pxa27x_udc.c

···
 	}
 
 	spin_unlock_irqrestore(&ep->lock, flags);
-
-	return;
 }
 
 /**

drivers/usb/gadget/rndis.c

···
 
 	if (configNr >= RNDIS_MAX_CONFIGS) return;
 	rndis_per_dev_params [configNr].used = 0;
-
-	return;
 }
 
 int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter)

drivers/usb/host/ehci-hcd.c

···
 	ep->hcpriv = NULL;
 done:
 	spin_unlock_irqrestore (&ehci->lock, flags);
-	return;
 }
 
 static void

drivers/usb/host/ohci-hcd.c

···
 	}
 	ep->hcpriv = NULL;
 	spin_unlock_irqrestore (&ohci->lock, flags);
-	return;
 }
 
 static int ohci_get_frame (struct usb_hcd *hcd)

drivers/usb/host/oxu210hp-hcd.c

···
 	qtd->buffer = NULL;
 
 	spin_unlock(&oxu->mem_lock);
-
-	return;
 }
 
 static inline void ehci_qtd_init(struct ehci_qtd *qtd, dma_addr_t dma)
···
 	oxu->qtd_used[index] = 0;
 
 	spin_unlock(&oxu->mem_lock);
-
-	return;
 }
 
 static struct ehci_qtd *ehci_qtd_alloc(struct oxu_hcd *oxu)
···
 	oxu->qh_used[index] = 0;
 
 	spin_unlock(&oxu->mem_lock);
-
-	return;
 }
 
 static void qh_destroy(struct kref *kref)
···
 	oxu->murb_used[index] = 0;
 
 	spin_unlock(&oxu->mem_lock);
-
-	return;
 }
 
 static struct oxu_murb *oxu_murb_alloc(struct oxu_hcd *oxu)
···
 	ep->hcpriv = NULL;
 done:
 	spin_unlock_irqrestore(&oxu->lock, flags);
-	return;
 }
 
 static int oxu_get_frame(struct usb_hcd *hcd)

drivers/usb/host/pci-quirks.c

···
 	writel(0x3f, op_reg_base + EHCI_USBSTS);
 
 	iounmap(base);
-
-	return;
 }
 
 /*

drivers/usb/host/u132-hcd.c

···
 	} else if (queue_delayed_work(workqueue, &ring->scheduler, 0))
 		return;
 	kref_put(&u132->kref, u132_hcd_delete);
-	return;
 }
 
 static void u132_ring_queue_work(struct u132 *u132, struct u132_ring *ring,
···
 {
 	kref_get(&u132->kref);
 	u132_ring_requeue_work(u132, ring, delta);
-	return;
 }
 
 static void u132_ring_cancel_work(struct u132 *u132, struct u132_ring *ring)
···
 	mutex_unlock(&u132->scheduler_lock);
 	u132_endp_put_kref(u132, endp);
 	usb_hcd_giveback_urb(hcd, urb, status);
-	return;
 }
 
 static void u132_hcd_forget_urb(struct u132 *u132, struct u132_endp *endp,
···
 		endp->active = 0;
 		spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
 		kfree(urbq);
-	} usb_hcd_giveback_urb(hcd, urb, status);
-	return;
+	}
+	usb_hcd_giveback_urb(hcd, urb, status);
 }
 
 static inline int edset_input(struct u132 *u132, struct u132_ring *ring,
···
 		u132->endp[endps] = NULL;
 
 	mutex_unlock(&u132->sw_lock);
-	return;
 }
 
 static int __devinit u132_probe(struct platform_device *pdev)

drivers/usb/image/microtek.c

···
 		context->srb->result = DID_ERROR << 16;
 		mts_transfer_cleanup(transfer);
 	}
-	return;
 }
 
 
···
 
 	if ( likely(context->final_callback != NULL) )
 		context->final_callback(context->srb);
-
 }
 
 static void mts_transfer_done( struct urb *transfer )
···
 	context->srb->result |= (unsigned)(*context->scsi_status)<<1;
 
 	mts_transfer_cleanup(transfer);
-
-	return;
 }
 
 
···
 	}
 
 	mts_get_status(transfer);
-
-	return;
 }
 
 
···
 			mts_get_status(transfer);
 		}
 	}
-
-	return;
 }
 
 static void mts_do_sg (struct urb* transfer)
···
 			   sg[context->fragment].length,
 			   context->fragment + 1 == scsi_sg_count(context->srb) ?
 			   mts_data_done : mts_do_sg);
-	return;
 }
 
 static const u8 mts_read_image_sig[] = { 0x28, 00, 00, 00 };

drivers/usb/misc/ftdi-elan.c

···
 static void ftdi_elan_kick_command_queue(struct usb_ftdi *ftdi)
 {
         ftdi_command_queue_work(ftdi, 0);
-        return;
 }
 
 static void ftdi_elan_command_work(struct work_struct *work)
···
 static void ftdi_elan_kick_respond_queue(struct usb_ftdi *ftdi)
 {
         ftdi_respond_queue_work(ftdi, 0);
-        return;
 }
 
 static void ftdi_elan_respond_work(struct work_struct *work)

drivers/usb/mon/mon_main.c

···
 		r->rnf_submit(r->r_data, urb);
 	}
 	spin_unlock_irqrestore(&mbus->lock, flags);
-	return;
 }
 
 static void mon_submit(struct usb_bus *ubus, struct urb *urb)
···
 		r->rnf_error(r->r_data, urb, error);
 	}
 	spin_unlock_irqrestore(&mbus->lock, flags);
-	return;
 }
 
 static void mon_submit_error(struct usb_bus *ubus, struct urb *urb, int error)

drivers/usb/musb/musb_gadget.c

···
 		DBG(3, "packet waiting for %s%s request\n",
 				musb_ep->desc ? "" : "inactive ",
 				musb_ep->end_point.name);
-	return;
 }
 
 /* ------------------------------------------------------------ */

drivers/usb/serial/cypress_m8.c

···
 			cypress_set_dead(port);
 		}
 	}
-
-	return;
 } /* cypress_read_int_callback */
 
 

drivers/usb/serial/ftdi_sio.c

···
 		/* lower DTR/RTS */
 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
 	}
-	return;
 }
 
 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)

drivers/usb/serial/garmin_gps.c

···
 		garmin_data_p->flags &= ~FLAGS_BULK_IN_ACTIVE;
 		spin_unlock_irqrestore(&garmin_data_p->lock, flags);
 	}
-	return;
 }
 
 

drivers/usb/serial/io_edgeport.c

···
 		if (status != 0)
 			return;
 	}
-
-	return;
 }
 
 
···
 			dbg("%s - error sending break set/clear command.",
 				__func__);
 	}
-
-	return;
 }
 
 
···
 		dbg("%s - Unrecognized IOSP status code %u", __func__, code);
 		break;
 	}
-	return;
 }
 
 
···
 
 	/* Save the new modem status */
 	edge_port->shadowMSR = newMsr & 0xf0;
-
-	return;
 }
 
 
···
 		icount->parity++;
 	if (newLsr & LSR_FRM_ERR)
 		icount->frame++;
-
-	return;
 }
 
 
···
 		baud = tty_termios_baud_rate(old_termios);
 		tty_encode_baud_rate(tty, baud, baud);
 	}
-	return;
 }
 
 
···
 				    0x40, 0x4000, 0x0001, NULL, 0, 3000);
 
 	release_firmware(fw);
-	return;
 }
 
 

drivers/usb/serial/io_ti.c

···
 		}
 	}
 	tty_kref_put(tty);
-
-	return;
 }
 
 static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data,
···
 		dbg("%s - error %d when trying to write config to device",
 		     __func__, status);
 	kfree(config);
-	return;
 }
 
 static void edge_set_termios(struct tty_struct *tty,
···
 		return;
 	/* change the port settings to the new ones specified */
 	change_port_settings(tty, edge_port, old_termios);
-	return;
 }
 
 static int edge_tiocmset(struct tty_struct *tty, struct file *file,

drivers/usb/serial/iuu_phoenix.c

···
 			  iuu_uart_read_callback, port);
 	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	dbg("%s - submit result = %d", __func__, result);
-	return;
 }
 
 static int iuu_uart_on(struct usb_serial_port *port)

drivers/usb/serial/keyspan_pda.c

···
 	port->interrupt_in_urb->dev = port->serial->dev;
 	if (usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL))
 		dbg(" usb_submit_urb(read urb) failed");
-	return;
 }
 
 

drivers/usb/serial/mos7720.c

···
 		dev_err(&urb->dev->dev,
 			"%s - Error %d submitting control urb\n",
 			__func__, result);
-	return;
 }
 
 /*
···
 		dev_err(&urb->dev->dev,
 			"%s - Error %d submitting control urb\n",
 			__func__, result);
-	return;
 }
 
 /*
···
 	mos7720_port->shadowLCR  = data;
 	write_mos_reg(serial, port->number - port->serial->minor,
 		      LCR, mos7720_port->shadowLCR);
-
-	return;
 }
 
 /*
···
 			dbg("usb_submit_urb(read bulk) failed, status = %d",
 			    status);
 	}
-	return;
 }
 
 /*
···
 			dbg("usb_submit_urb(read bulk) failed, status = %d",
 			    status);
 	}
-	return;
 }
 
 /*

drivers/usb/serial/mos7840.c

···
 	    mos7840_port->shadowLCR);
 	mos7840_set_uart_reg(port, LINE_CONTROL_REGISTER,
 			     mos7840_port->shadowLCR);
-
-	return;
 }
 
 /*****************************************************************************
···
 		if (status < 0)
 			return;
 	}
-
-	return;
 }
 
 /*****************************************************************************
···
 	mos7840_port->delta_msr_cond = 1;
 	dbg("mos7840_change_port_settings mos7840_port->shadowLCR is End %x",
 	    mos7840_port->shadowLCR);
-
-	return;
 }
 
 /*****************************************************************************
···
 			mos7840_port->read_urb_busy = false;
 		}
 	}
-	return;
 }
 
 /*****************************************************************************

drivers/usb/serial/omninet.c

···
 		dev_err(&port->dev,
 			"%s - failed resubmitting read urb, error %d\n",
 			__func__, result);
-
-	return;
 }
 
 static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port,

drivers/usb/serial/sierra.c

···
 			dev_err(&port->dev, "resubmit read urb failed."
 				"(%d)\n", err);
 	}
-
-	return;
 }
 
 static void sierra_instat_callback(struct urb *urb)

drivers/usb/serial/spcp8x5.c

···
 		spcp8x5_set_workMode(serial->dev, 0x000a,
 				     SET_WORKING_MODE_U2C, priv->type);
 	}
-	return;
 }
 
 /* open the serial port. do some usb system call. set termios and get the line

drivers/usb/serial/usb_wwan.c

···
 		}
 
 	}
-	return;
 }
 
 static void usb_wwan_outdat_callback(struct urb *urb)

drivers/usb/serial/whiteheat.c

···
 		}
 		kfree(info);
 	}
-
-	return;
 }
 
 static int whiteheat_open(struct tty_struct *tty, struct usb_serial_port *port)
···
 	spin_lock_irq(&info->lock);
 	info->flags |= THROTTLED;
 	spin_unlock_irq(&info->lock);
-
-	return;
 }
 
 
···
 
 	if (actually_throttled)
 		rx_data_softint(&info->rx_work);
-
-	return;
 }