lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

USB: fix __must_check warnings in drivers/usb/core/

Browse Source 
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
2006-08-28 11:43:25 -07:00
parent 592fbbe4bc
commit 1b21d5e166
6 changed files with 80 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
drivers/usb/core/sysfs.c
View File

@ -210,19 +210,40 @@ static struct attribute_group dev_attr_grp = {
.attrs = dev_attrs,
};
void usb_create_sysfs_dev_files (struct usb_device *udev)
int usb_create_sysfs_dev_files(struct usb_device *udev)
{
struct device *dev = &udev->dev;
int retval;
sysfs_create_group(&dev->kobj, &dev_attr_grp);
retval = sysfs_create_group(&dev->kobj, &dev_attr_grp);
if (retval)
return retval;
if (udev->manufacturer)
device_create_file (dev, &dev_attr_manufacturer);
if (udev->product)
device_create_file (dev, &dev_attr_product);
if (udev->serial)
device_create_file (dev, &dev_attr_serial);
usb_create_ep_files(dev, &udev->ep0, udev);
if (udev->manufacturer) {
retval = device_create_file (dev, &dev_attr_manufacturer);
if (retval)
goto error;
}
if (udev->product) {
retval = device_create_file (dev, &dev_attr_product);
if (retval)
goto error;
}
if (udev->serial) {
retval = device_create_file (dev, &dev_attr_serial);
if (retval)
goto error;
}
retval = usb_create_ep_files(dev, &udev->ep0, udev);
if (retval)
goto error;
return 0;
error:
usb_remove_ep_files(&udev->ep0);
device_remove_file(dev, &dev_attr_manufacturer);
device_remove_file(dev, &dev_attr_product);
device_remove_file(dev, &dev_attr_serial);
return retval;
}
void usb_remove_sysfs_dev_files (struct usb_device *udev)
@ -339,18 +360,28 @@ static inline void usb_remove_intf_ep_files(struct usb_interface *intf)
usb_remove_ep_files(&iface_desc->endpoint[i]);
}
void usb_create_sysfs_intf_files (struct usb_interface *intf)
int 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;
sysfs_create_group(&intf->dev.kobj, &intf_attr_grp);
retval = sysfs_create_group(&intf->dev.kobj, &intf_attr_grp);
if (retval)
goto error;
if (alt->string == NULL)
alt->string = usb_cache_string(udev, alt->desc.iInterface);
if (alt->string)
device_create_file(&intf->dev, &dev_attr_interface);
retval = device_create_file(&intf->dev, &dev_attr_interface);
usb_create_intf_ep_files(intf, udev);
return 0;
error:
if (alt->string)
device_remove_file(&intf->dev, &dev_attr_interface);
sysfs_remove_group(&intf->dev.kobj, &intf_attr_grp);
usb_remove_intf_ep_files(intf);
return retval;
}
void usb_remove_sysfs_intf_files (struct usb_interface *intf)