694 libusb_claim_interface(struct libusb20_device *pdev, int interface_number)  in libusb_claim_interface()  argument
703 	if (interface_number < 0 || interface_number > 31)  in libusb_claim_interface()
707 		err = libusb_detach_kernel_driver(pdev, interface_number);  in libusb_claim_interface()
713 	dev->claimed_interfaces |= (1 << interface_number);  in libusb_claim_interface()
720 libusb_release_interface(struct libusb20_device *pdev, int interface_number)  in libusb_release_interface()  argument
729 	if (interface_number < 0 || interface_number > 31)  in libusb_release_interface()
733 		err = libusb_attach_kernel_driver(pdev, interface_number);  in libusb_release_interface()
739 	if (!(dev->claimed_interfaces & (1 << interface_number)))  in libusb_release_interface()
742 		dev->claimed_interfaces &= ~(1 << interface_number);  in libusb_release_interface()
750     int interface_number, int alternate_setting)  in libusb_set_interface_alt_setting()  argument
759 	if (interface_number < 0 || interface_number > 31)  in libusb_set_interface_alt_setting()
763 	if (!(dev->claimed_interfaces & (1 << interface_number)))  in libusb_set_interface_alt_setting()
775 	    interface_number, alternate_setting);  in libusb_set_interface_alt_setting()