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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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643de6240b
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>
165 lines
5.0 KiB
C
165 lines
5.0 KiB
C
#include <linux/pm.h>
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/* Functions local to drivers/usb/core/ */
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extern int usb_create_sysfs_dev_files(struct usb_device *dev);
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extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
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extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
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extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
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extern int usb_create_ep_devs(struct device *parent,
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struct usb_host_endpoint *endpoint,
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struct usb_device *udev);
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extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
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extern void usb_enable_endpoint(struct usb_device *dev,
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struct usb_host_endpoint *ep, bool reset_toggle);
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extern void usb_enable_interface(struct usb_device *dev,
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struct usb_interface *intf, bool reset_toggles);
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extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
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bool reset_hardware);
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extern void usb_disable_interface(struct usb_device *dev,
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struct usb_interface *intf, bool reset_hardware);
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extern void usb_release_interface_cache(struct kref *ref);
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extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
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extern int usb_deauthorize_device(struct usb_device *);
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extern int usb_authorize_device(struct usb_device *);
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extern void usb_detect_quirks(struct usb_device *udev);
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extern int usb_remove_device(struct usb_device *udev);
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extern int usb_get_device_descriptor(struct usb_device *dev,
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unsigned int size);
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extern char *usb_cache_string(struct usb_device *udev, int index);
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extern int usb_set_configuration(struct usb_device *dev, int configuration);
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extern int usb_choose_configuration(struct usb_device *udev);
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extern void usb_kick_khubd(struct usb_device *dev);
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extern int usb_match_device(struct usb_device *dev,
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const struct usb_device_id *id);
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extern void usb_forced_unbind_intf(struct usb_interface *intf);
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extern void usb_rebind_intf(struct usb_interface *intf);
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extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
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void *owner);
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extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
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void *owner);
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extern void usb_hub_release_all_ports(struct usb_device *hdev, void *owner);
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extern bool usb_device_is_owned(struct usb_device *udev);
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extern int usb_hub_init(void);
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extern void usb_hub_cleanup(void);
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extern int usb_major_init(void);
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extern void usb_major_cleanup(void);
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#ifdef CONFIG_PM
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extern int usb_suspend(struct device *dev, pm_message_t msg);
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extern int usb_resume(struct device *dev, pm_message_t msg);
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extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
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extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
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#else
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static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
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{
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return 0;
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}
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static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
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{
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return 0;
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}
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#endif
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#ifdef CONFIG_USB_SUSPEND
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extern void usb_autosuspend_device(struct usb_device *udev);
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extern int usb_autoresume_device(struct usb_device *udev);
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extern int usb_remote_wakeup(struct usb_device *dev);
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extern int usb_runtime_suspend(struct device *dev);
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extern int usb_runtime_resume(struct device *dev);
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extern int usb_runtime_idle(struct device *dev);
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#else
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#define usb_autosuspend_device(udev) do {} while (0)
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static inline int usb_autoresume_device(struct usb_device *udev)
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{
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return 0;
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}
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static inline int usb_remote_wakeup(struct usb_device *udev)
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{
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return 0;
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}
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#endif
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extern struct bus_type usb_bus_type;
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extern struct device_type usb_device_type;
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extern struct device_type usb_if_device_type;
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extern struct device_type usb_ep_device_type;
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extern struct usb_device_driver usb_generic_driver;
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static inline int is_usb_device(const struct device *dev)
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{
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return dev->type == &usb_device_type;
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}
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static inline int is_usb_interface(const struct device *dev)
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{
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return dev->type == &usb_if_device_type;
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}
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static inline int is_usb_endpoint(const struct device *dev)
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{
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return dev->type == &usb_ep_device_type;
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}
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/* Do the same for device drivers and interface drivers. */
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static inline int is_usb_device_driver(struct device_driver *drv)
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{
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return container_of(drv, struct usbdrv_wrap, driver)->
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for_devices;
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}
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/* translate USB error codes to codes user space understands */
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static inline int usb_translate_errors(int error_code)
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{
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switch (error_code) {
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case 0:
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case -ENOMEM:
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case -ENODEV:
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return error_code;
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default:
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return -EIO;
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}
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}
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/* for labeling diagnostics */
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extern const char *usbcore_name;
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/* sysfs stuff */
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extern const struct attribute_group *usb_device_groups[];
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extern const struct attribute_group *usb_interface_groups[];
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/* usbfs stuff */
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extern struct mutex usbfs_mutex;
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extern struct usb_driver usbfs_driver;
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extern const struct file_operations usbfs_devices_fops;
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extern const struct file_operations usbdev_file_operations;
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extern void usbfs_conn_disc_event(void);
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extern int usb_devio_init(void);
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extern void usb_devio_cleanup(void);
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/* internal notify stuff */
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extern void usb_notify_add_device(struct usb_device *udev);
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extern void usb_notify_remove_device(struct usb_device *udev);
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extern void usb_notify_add_bus(struct usb_bus *ubus);
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extern void usb_notify_remove_bus(struct usb_bus *ubus);
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