USB: fix codingstyle issues in drivers/usb/core/*.c

Fixes a number of coding style issues in the remaining .c files in
drivers/usb/core/
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/core/buffer.c

@@ -57,8 +57,9 @@ int hcd_buffer_create(struct usb_hcd *hcd)
 	    !(hcd->driver->flags & HCD_LOCAL_MEM))
 		return 0;
 
-	for (i = 0; i < HCD_BUFFER_POOLS; i++) { 
-		if (!(size = pool_max [i]))
+	for (i = 0; i < HCD_BUFFER_POOLS; i++) {
+		size = pool_max[i];
+		if (!size)
 			continue;
 		snprintf(name, sizeof name, "buffer-%d", size);
 		hcd->pool[i] = dma_pool_create(name, hcd->self.controller,
@@ -81,10 +82,10 @@ int hcd_buffer_create(struct usb_hcd *hcd)
  */
 void hcd_buffer_destroy(struct usb_hcd *hcd)
 {
-	int		i;
+	int i;
 
-	for (i = 0; i < HCD_BUFFER_POOLS; i++) { 
-		struct dma_pool		*pool = hcd->pool[i];
+	for (i = 0; i < HCD_BUFFER_POOLS; i++) {
+		struct dma_pool *pool = hcd->pool[i];
 		if (pool) {
 			dma_pool_destroy(pool);
 			hcd->pool[i] = NULL;

drivers/usb/core/config.c

@@ -238,7 +238,7 @@ static int usb_parse_interface(struct device *ddev, int cfgno,
 
 	/* Allocate space for the right(?) number of endpoints */
 	num_ep = num_ep_orig = alt->desc.bNumEndpoints;
-	alt->desc.bNumEndpoints = 0;		// Use as a counter
+	alt->desc.bNumEndpoints = 0;		/* Use as a counter */
 	if (num_ep > USB_MAXENDPOINTS) {
 		dev_warn(ddev, "too many endpoints for config %d interface %d "
 		    "altsetting %d: %d, using maximum allowed: %d\n",
@@ -246,7 +246,8 @@ static int usb_parse_interface(struct device *ddev, int cfgno,
 		num_ep = USB_MAXENDPOINTS;
 	}
 
-	if (num_ep > 0) {	/* Can't allocate 0 bytes */
+	if (num_ep > 0) {
+		/* Can't allocate 0 bytes */
 		len = sizeof(struct usb_host_endpoint) * num_ep;
 		alt->endpoint = kzalloc(len, GFP_KERNEL);
 		if (!alt->endpoint)
@@ -475,8 +476,9 @@ static int usb_parse_configuration(struct device *ddev, int cfgidx,
 	return 0;
 }
 
-// hub-only!! ... and only exported for reset/reinit path.
-// otherwise used internally on disconnect/destroy path
+/* hub-only!! ... and only exported for reset/reinit path.
+ * otherwise used internally on disconnect/destroy path
+ */
 void usb_destroy_configuration(struct usb_device *dev)
 {
 	int c, i;
@@ -498,7 +500,7 @@ void usb_destroy_configuration(struct usb_device *dev)
 		kfree(cf->string);
 		for (i = 0; i < cf->desc.bNumInterfaces; i++) {
 			if (cf->intf_cache[i])
-				kref_put(&cf->intf_cache[i]->ref, 
+				kref_put(&cf->intf_cache[i]->ref,
 					  usb_release_interface_cache);
 		}
 	}
@@ -525,7 +527,7 @@ int usb_get_configuration(struct usb_device *dev)
 	unsigned int cfgno, length;
 	unsigned char *buffer;
 	unsigned char *bigbuffer;
- 	struct usb_config_descriptor *desc;
+	struct usb_config_descriptor *desc;
 
 	cfgno = 0;
 	if (dev->authorized == 0)	/* Not really an error */

drivers/usb/core/driver.c

@@ -202,10 +202,10 @@ static int usb_probe_interface(struct device *dev)
 	intf = to_usb_interface(dev);
 	udev = interface_to_usbdev(intf);
 
- 	if (udev->authorized == 0) {
- 		dev_err(&intf->dev, "Device is not authorized for usage\n");
- 		return -ENODEV;
- 	}
+	if (udev->authorized == 0) {
+		dev_err(&intf->dev, "Device is not authorized for usage\n");
+		return -ENODEV;
+	}
 
 	id = usb_match_id(intf, driver->id_table);
 	if (!id)
@@ -299,7 +299,7 @@ static int usb_unbind_interface(struct device *dev)
  * lock.
  */
 int usb_driver_claim_interface(struct usb_driver *driver,
-				struct usb_interface *iface, void* priv)
+				struct usb_interface *iface, void *priv)
 {
 	struct device *dev = &iface->dev;
 	struct usb_device *udev = interface_to_usbdev(iface);
@@ -398,7 +398,7 @@ int usb_match_device(struct usb_device *dev, const struct usb_device_id *id)
 		return 0;
 
 	if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) &&
-	    (id->bDeviceSubClass!= dev->descriptor.bDeviceSubClass))
+	    (id->bDeviceSubClass != dev->descriptor.bDeviceSubClass))
 		return 0;
 
 	if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) &&
@@ -586,7 +586,7 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
 	struct usb_device *usb_dev;
 
 	/* driver is often null here; dev_dbg() would oops */
-	pr_debug ("usb %s: uevent\n", dev->bus_id);
+	pr_debug("usb %s: uevent\n", dev->bus_id);
 
 	if (is_usb_device(dev))
 		usb_dev = to_usb_device(dev);
@@ -596,11 +596,11 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
 	}
 
 	if (usb_dev->devnum < 0) {
-		pr_debug ("usb %s: already deleted?\n", dev->bus_id);
+		pr_debug("usb %s: already deleted?\n", dev->bus_id);
 		return -ENODEV;
 	}
 	if (!usb_dev->bus) {
-		pr_debug ("usb %s: bus removed?\n", dev->bus_id);
+		pr_debug("usb %s: bus removed?\n", dev->bus_id);
 		return -ENODEV;
 	}
 
@@ -854,8 +854,10 @@ static int usb_suspend_interface(struct usb_interface *intf, pm_message_t msg)
 			dev_err(&intf->dev, "%s error %d\n",
 					"suspend", status);
 	} else {
-		// FIXME else if there's no suspend method, disconnect...
-		// Not possible if auto_pm is set...
+		/*
+		 * FIXME else if there's no suspend method, disconnect...
+		 * Not possible if auto_pm is set...
+		 */
 		dev_warn(&intf->dev, "no suspend for driver %s?\n",
 				driver->name);
 		mark_quiesced(intf);
@@ -894,7 +896,7 @@ static int usb_resume_interface(struct usb_interface *intf, int reset_resume)
 				dev_err(&intf->dev, "%s error %d\n",
 						"reset_resume", status);
 		} else {
-			// status = -EOPNOTSUPP;
+			/* status = -EOPNOTSUPP; */
 			dev_warn(&intf->dev, "no %s for driver %s?\n",
 					"reset_resume", driver->name);
 		}
@@ -905,7 +907,7 @@ static int usb_resume_interface(struct usb_interface *intf, int reset_resume)
 				dev_err(&intf->dev, "%s error %d\n",
 						"resume", status);
 		} else {
-			// status = -EOPNOTSUPP;
+			/* status = -EOPNOTSUPP; */
 			dev_warn(&intf->dev, "no %s for driver %s?\n",
 					"resume", driver->name);
 		}
@@ -1175,7 +1177,7 @@ static int usb_resume_both(struct usb_device *udev)
 			 * so if a root hub's controller is suspended
 			 * then we're stuck. */
 			status = usb_resume_device(udev);
- 		}
+		}
 	} else {
 
 		/* Needed for setting udev->dev.power.power_state.event,

drivers/usb/core/sysfs.c

@@ -72,7 +72,7 @@ set_bConfigurationValue(struct device *dev, struct device_attribute *attr,
 	return (value < 0) ? value : count;
 }
 
-static DEVICE_ATTR(bConfigurationValue, S_IRUGO | S_IWUSR, 
+static DEVICE_ATTR(bConfigurationValue, S_IRUGO | S_IWUSR,
 		show_bConfigurationValue, set_bConfigurationValue);
 
 /* String fields */
@@ -650,21 +650,21 @@ void usb_remove_sysfs_dev_files(struct usb_device *udev)
 /* Interface Accociation Descriptor fields */
 #define usb_intf_assoc_attr(field, format_string)			\
 static ssize_t								\
-show_iad_##field (struct device *dev, struct device_attribute *attr,	\
+show_iad_##field(struct device *dev, struct device_attribute *attr,	\
 		char *buf)						\
 {									\
-	struct usb_interface *intf = to_usb_interface (dev);		\
+	struct usb_interface *intf = to_usb_interface(dev);		\
 									\
-	return sprintf (buf, format_string,				\
-			intf->intf_assoc->field); 		\
+	return sprintf(buf, format_string,				\
+			intf->intf_assoc->field); 			\
 }									\
 static DEVICE_ATTR(iad_##field, S_IRUGO, show_iad_##field, NULL);
 
-usb_intf_assoc_attr (bFirstInterface, "%02x\n")
-usb_intf_assoc_attr (bInterfaceCount, "%02d\n")
-usb_intf_assoc_attr (bFunctionClass, "%02x\n")
-usb_intf_assoc_attr (bFunctionSubClass, "%02x\n")
-usb_intf_assoc_attr (bFunctionProtocol, "%02x\n")
+usb_intf_assoc_attr(bFirstInterface, "%02x\n")
+usb_intf_assoc_attr(bInterfaceCount, "%02d\n")
+usb_intf_assoc_attr(bFunctionClass, "%02x\n")
+usb_intf_assoc_attr(bFunctionSubClass, "%02x\n")
+usb_intf_assoc_attr(bFunctionProtocol, "%02x\n")
 
 /* Interface fields */
 #define usb_intf_attr(field, format_string)				\

drivers/usb/core/urb.c

@@ -103,7 +103,7 @@ EXPORT_SYMBOL_GPL(usb_free_urb);
  *
  * A pointer to the urb with the incremented reference counter is returned.
  */
-struct urb * usb_get_urb(struct urb *urb)
+struct urb *usb_get_urb(struct urb *urb)
 {
 	if (urb)
 		kref_get(&urb->kref);
@@ -176,7 +176,7 @@ EXPORT_SYMBOL_GPL(usb_unanchor_urb);
  * describing that request to the USB subsystem.  Request completion will
  * be indicated later, asynchronously, by calling the completion handler.
  * The three types of completion are success, error, and unlink
- * (a software-induced fault, also called "request cancellation").  
+ * (a software-induced fault, also called "request cancellation").
  *
  * URBs may be submitted in interrupt context.
  *
@@ -259,7 +259,7 @@ EXPORT_SYMBOL_GPL(usb_unanchor_urb);
  *       semaphores), or
  *   (c) current->state != TASK_RUNNING, this is the case only after
  *       you've changed it.
- * 
+ *
  * GFP_NOIO is used in the block io path and error handling of storage
  * devices.
  *
@@ -288,7 +288,8 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 
 	if (!urb || urb->hcpriv || !urb->complete)
 		return -EINVAL;
-	if (!(dev = urb->dev) || dev->state < USB_STATE_DEFAULT)
+	dev = urb->dev;
+	if ((!dev) || (dev->state < USB_STATE_DEFAULT))
 		return -ENODEV;
 
 	/* For now, get the endpoint from the pipe.  Eventually drivers
@@ -351,11 +352,11 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 			max *= mult;
 		}
 
-		if (urb->number_of_packets <= 0)		    
+		if (urb->number_of_packets <= 0)
 			return -EINVAL;
 		for (n = 0; n < urb->number_of_packets; n++) {
 			len = urb->iso_frame_desc[n].length;
-			if (len < 0 || len > max) 
+			if (len < 0 || len > max)
 				return -EMSGSIZE;
 			urb->iso_frame_desc[n].status = -EXDEV;
 			urb->iso_frame_desc[n].actual_length = 0;
@@ -420,7 +421,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 		/* too big? */
 		switch (dev->speed) {
 		case USB_SPEED_HIGH:	/* units are microframes */
-			// NOTE usb handles 2^15
+			/* NOTE usb handles 2^15 */
 			if (urb->interval > (1024 * 8))
 				urb->interval = 1024 * 8;
 			max = 1024 * 8;
@@ -430,12 +431,12 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 			if (xfertype == USB_ENDPOINT_XFER_INT) {
 				if (urb->interval > 255)
 					return -EINVAL;
-				// NOTE ohci only handles up to 32
+				/* NOTE ohci only handles up to 32 */
 				max = 128;
 			} else {
 				if (urb->interval > 1024)
 					urb->interval = 1024;
-				// NOTE usb and ohci handle up to 2^15
+				/* NOTE usb and ohci handle up to 2^15 */
 				max = 1024;
 			}
 			break;
@@ -574,7 +575,8 @@ void usb_kill_anchored_urbs(struct usb_anchor *anchor)
 
 	spin_lock_irq(&anchor->lock);
 	while (!list_empty(&anchor->urb_list)) {
-		victim = list_entry(anchor->urb_list.prev, struct urb, anchor_list);
+		victim = list_entry(anchor->urb_list.prev, struct urb,
+				    anchor_list);
 		/* we must make sure the URB isn't freed before we kill it*/
 		usb_get_urb(victim);
 		spin_unlock_irq(&anchor->lock);

drivers/usb/core/usb.c

@@ -116,8 +116,9 @@ EXPORT_SYMBOL_GPL(usb_ifnum_to_if);
  * Don't call this function unless you are bound to the intf interface
  * or you have locked the device!
  */
-struct usb_host_interface *usb_altnum_to_altsetting(const struct usb_interface *intf,
-						    unsigned int altnum)
+struct usb_host_interface *usb_altnum_to_altsetting(
+					const struct usb_interface *intf,
+					unsigned int altnum)
 {
 	int i;
 
@@ -134,7 +135,7 @@ struct find_interface_arg {
 	struct usb_interface *interface;
 };
 
-static int __find_interface(struct device * dev, void * data)
+static int __find_interface(struct device *dev, void *data)
 {
 	struct find_interface_arg *arg = data;
 	struct usb_interface *intf;
@@ -156,7 +157,7 @@ static int __find_interface(struct device * dev, void * data)
  * @drv: the driver whose current configuration is considered
  * @minor: the minor number of the desired device
  *
- * This walks the driver device list and returns a pointer to the interface 
+ * This walks the driver device list and returns a pointer to the interface
  * with the matching minor.  Note, this only works for devices that share the
  * USB major number.
  */
@@ -272,8 +273,8 @@ static unsigned usb_bus_is_wusb(struct usb_bus *bus)
  *
  * This call may not be used in a non-sleeping context.
  */
-struct usb_device *
-usb_alloc_dev(struct usb_device *parent, struct usb_bus *bus, unsigned port1)
+struct usb_device *usb_alloc_dev(struct usb_device *parent,
+				 struct usb_bus *bus, unsigned port1)
 {
 	struct usb_device *dev;
 	struct usb_hcd *usb_hcd = container_of(bus, struct usb_hcd, self);
@@ -469,11 +470,11 @@ int usb_lock_device_for_reset(struct usb_device *udev,
 		return -EHOSTUNREACH;
 	if (iface) {
 		switch (iface->condition) {
-		  case USB_INTERFACE_BINDING:
+		case USB_INTERFACE_BINDING:
 			return 0;
-		  case USB_INTERFACE_BOUND:
+		case USB_INTERFACE_BOUND:
 			break;
-		  default:
+		default:
 			return -EINTR;
 		}
 	}
@@ -548,10 +549,10 @@ struct usb_device *usb_find_device(u16 vendor_id, u16 product_id)
 	struct list_head *buslist;
 	struct usb_bus *bus;
 	struct usb_device *dev = NULL;
-	
+
 	mutex_lock(&usb_bus_list_lock);
 	for (buslist = usb_bus_list.next;
-	     buslist != &usb_bus_list; 
+	     buslist != &usb_bus_list;
 	     buslist = buslist->next) {
 		bus = container_of(buslist, struct usb_bus, bus_list);
 		if (!bus->root_hub)
@@ -593,7 +594,7 @@ EXPORT_SYMBOL_GPL(usb_get_current_frame_number);
  */
 
 int __usb_get_extra_descriptor(char *buffer, unsigned size,
-	unsigned char type, void **ptr)
+			       unsigned char type, void **ptr)
 {
 	struct usb_descriptor_header *header;
 
@@ -604,7 +605,7 @@ int __usb_get_extra_descriptor(char *buffer, unsigned size,
 			printk(KERN_ERR
 				"%s: bogus descriptor, type %d length %d\n",
 				usbcore_name,
-				header->bDescriptorType, 
+				header->bDescriptorType,
 				header->bLength);
 			return -1;
 		}
@@ -643,12 +644,8 @@ EXPORT_SYMBOL_GPL(__usb_get_extra_descriptor);
  *
  * When the buffer is no longer used, free it with usb_buffer_free().
  */
-void *usb_buffer_alloc(
-	struct usb_device *dev,
-	size_t size,
-	gfp_t mem_flags,
-	dma_addr_t *dma
-)
+void *usb_buffer_alloc(struct usb_device *dev, size_t size, gfp_t mem_flags,
+		       dma_addr_t *dma)
 {
 	if (!dev || !dev->bus)
 		return NULL;
@@ -667,12 +664,8 @@ EXPORT_SYMBOL_GPL(usb_buffer_alloc);
  * been allocated using usb_buffer_alloc(), and the parameters must match
  * those provided in that allocation request.
  */
-void usb_buffer_free(
-	struct usb_device *dev,
-	size_t size,
-	void *addr,
-	dma_addr_t dma
-)
+void usb_buffer_free(struct usb_device *dev, size_t size, void *addr,
+		     dma_addr_t dma)
 {
 	if (!dev || !dev->bus)
 		return;
@@ -720,8 +713,8 @@ struct urb *usb_buffer_map(struct urb *urb)
 					urb->setup_packet,
 					sizeof(struct usb_ctrlrequest),
 					DMA_TO_DEVICE);
-	// FIXME generic api broken like pci, can't report errors
-	// if (urb->transfer_dma == DMA_ADDR_INVALID) return 0;
+	/* FIXME generic api broken like pci, can't report errors */
+	/* if (urb->transfer_dma == DMA_ADDR_INVALID) return 0; */
 	} else
 		urb->transfer_dma = ~0;
 	urb->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP
@@ -843,7 +836,7 @@ int usb_buffer_map_sg(const struct usb_device *dev, int is_in,
 			|| !controller->dma_mask)
 		return -1;
 
-	// FIXME generic api broken like pci, can't report errors
+	/* FIXME generic api broken like pci, can't report errors */
 	return dma_map_sg(controller, sg, nents,
 			is_in ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
 }
@@ -937,7 +930,7 @@ static int __init usb_init(void)
 	if (retval)
 		goto out;
 	retval = bus_register(&usb_bus_type);
-	if (retval) 
+	if (retval)
 		goto bus_register_failed;
 	retval = usb_host_init();
 	if (retval)