803 libusb_claim_interface(struct libusb20_device *pdev, int interface_number)  in libusb_claim_interface()  argument
812 	if (interface_number < 0 || interface_number > 31)  in libusb_claim_interface()
816 		err = libusb_detach_kernel_driver(pdev, interface_number);  in libusb_claim_interface()
822 	dev->claimed_interfaces |= (1 << interface_number);  in libusb_claim_interface()
829 libusb_release_interface(struct libusb20_device *pdev, int interface_number)  in libusb_release_interface()  argument
838 	if (interface_number < 0 || interface_number > 31)  in libusb_release_interface()
842 		err = libusb_attach_kernel_driver(pdev, interface_number);  in libusb_release_interface()
848 	if (!(dev->claimed_interfaces & (1 << interface_number)))  in libusb_release_interface()
851 		dev->claimed_interfaces &= ~(1 << interface_number);  in libusb_release_interface()
859     int interface_number, int alternate_setting)  in libusb_set_interface_alt_setting()  argument
868 	if (interface_number < 0 || interface_number > 31)  in libusb_set_interface_alt_setting()
872 	if (!(dev->claimed_interfaces & (1 << interface_number)))  in libusb_set_interface_alt_setting()
884 	    interface_number, alternate_setting);  in libusb_set_interface_alt_setting()