diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/core/driver.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index e76e95f62f76..a5395498adda 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -565,6 +565,21 @@ int usb_driver_claim_interface(struct usb_driver *driver, if (!lpm_disable_error) usb_unlocked_enable_lpm(udev); + if (retval) { + dev->driver = NULL; + usb_set_intfdata(iface, NULL); + iface->needs_remote_wakeup = 0; + iface->condition = USB_INTERFACE_UNBOUND; + + /* + * Unbound interfaces are always runtime-PM-disabled + * and runtime-PM-suspended + */ + if (driver->supports_autosuspend) + pm_runtime_disable(dev); + pm_runtime_set_suspended(dev); + } + return retval; } EXPORT_SYMBOL_GPL(usb_driver_claim_interface); |