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usb: core: Change usb_create_sysfs_intf_files()' return type to void

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The usb_create_sysfs_intf_files() function always returned zero even
if it failed to create sysfs fails.  Since this is a desired behaviour
there is no need to return return code at all.  This commit changes
function's return type (form int) to void.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Michal Nazarewicz 2011-04-14 17:47:09 +02:00 committed by Greg Kroah-Hartman
parent 869410f82c
commit 643de6240b
3 changed files with 7 additions and 11 deletions
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13
drivers/usb/core/sysfs.c
View File

@ -842,22 +842,19 @@ const struct attribute_group *usb_interface_groups[] = {
NULL
};
int usb_create_sysfs_intf_files(struct usb_interface *intf)
void usb_create_sysfs_intf_files(struct usb_interface *intf)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct usb_host_interface *alt = intf->cur_altsetting;
int retval;
if (intf->sysfs_files_created || intf->unregistering)
return 0;
return;
if (alt->string == NULL &&
!(udev->quirks & USB_QUIRK_CONFIG_INTF_STRINGS))
if (!alt->string && !(udev->quirks & USB_QUIRK_CONFIG_INTF_STRINGS))
alt->string = usb_cache_string(udev, alt->desc.iInterface);
if (alt->string)
retval = device_create_file(&intf->dev, &dev_attr_interface);
if (alt->string && device_create_file(&intf->dev, &dev_attr_interface))
; /* We don't actually care if the function fails. */
intf->sysfs_files_created = 1;
return 0;
}
void usb_remove_sysfs_intf_files(struct usb_interface *intf)

3
drivers/usb/core/usb.c
View File

@ -953,8 +953,7 @@ static int usb_bus_notify(struct notifier_block *nb, unsigned long action,
if (dev->type == &usb_device_type)
(void) usb_create_sysfs_dev_files(to_usb_device(dev));
else if (dev->type == &usb_if_device_type)
(void) usb_create_sysfs_intf_files(
to_usb_interface(dev));
usb_create_sysfs_intf_files(to_usb_interface(dev));
break;
case BUS_NOTIFY_DEL_DEVICE:

2
drivers/usb/core/usb.h
View File

@ -4,7 +4,7 @@
extern int usb_create_sysfs_dev_files(struct usb_device *dev);
extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
extern int usb_create_sysfs_intf_files(struct usb_interface *intf);
extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
extern int usb_create_ep_devs(struct device *parent,
struct usb_host_endpoint *endpoint,