784 	struct usb_cdev_refdata refs;  in usb_open()  local
805 	err = usb_ref_device(cpd, &refs, 1);  in usb_open()
814 	err = usb_fifo_create(cpd, &refs);  in usb_open()
818 		usb_unref_device(cpd, &refs);  in usb_open()
823 		err = usb_fifo_open(cpd, refs.rxfifo, fflags);  in usb_open()
826 			usb_unref_device(cpd, &refs);  in usb_open()
832 		err = usb_fifo_open(cpd, refs.txfifo, fflags);  in usb_open()
836 				usb_fifo_close(refs.rxfifo, fflags);  in usb_open()
838 			usb_unref_device(cpd, &refs);  in usb_open()
844 	usb_unref_device(cpd, &refs);  in usb_open()
856 	struct usb_cdev_refdata refs;  in usb_close()  local
862 	err = usb_ref_device(cpd, &refs,  in usb_close()
870 		usb_fifo_close(refs.rxfifo, cpd->fflags);  in usb_close()
873 		usb_fifo_close(refs.txfifo, cpd->fflags);  in usb_close()
875 	usb_unref_device(cpd, &refs);  in usb_close()
961 	struct usb_cdev_refdata refs;  in usb_ioctl()  local
975 	err = usb_ref_device(cpd, &refs, 0 /* no uref */ );  in usb_ioctl()
985 		f = refs.txfifo;  in usb_ioctl()
989 		f = refs.rxfifo;  in usb_ioctl()
1003 	if (usb_usb_ref_device(cpd, &refs)) {  in usb_ioctl()
1021 		usb_unref_device(cpd, &refs);  in usb_ioctl()
1025 		while (usb_ref_device(cpd, &refs, 1 /* need uref */)) {  in usb_ioctl()
1026 			if (usb_ref_device(cpd, &refs, 0)) {  in usb_ioctl()
1030 			usb_unref_device(cpd, &refs);  in usb_ioctl()
1036 	usb_unref_device(cpd, &refs);  in usb_ioctl()
1044 	struct usb_cdev_refdata refs;  in usb_poll()  local
1051 	if (usb_ref_device(cpd, &refs, 0) != 0)  in usb_poll()
1061 		f = refs.txfifo;  in usb_poll()
1065 		if (!refs.is_usbfs) {  in usb_poll()
1098 		f = refs.rxfifo;  in usb_poll()
1102 		if (!refs.is_usbfs) {  in usb_poll()
1132 			if (!refs.is_usbfs) {  in usb_poll()
1140 	usb_unref_device(cpd, &refs);  in usb_poll()
1148 	struct usb_cdev_refdata refs;  in usb_read()  local
1156 	err = usb_ref_device(cpd, &refs, 0 /* no uref */ );  in usb_read()
1160 	f = refs.rxfifo;  in usb_read()
1163 		usb_unref_device(cpd, &refs);  in usb_read()
1177 	if (refs.is_usbfs) {  in usb_read()
1247 	usb_unref_device(cpd, &refs);  in usb_read()
1255 	struct usb_cdev_refdata refs;  in usb_write()  local
1266 	err = usb_ref_device(cpd, &refs, 0 /* no uref */ );  in usb_write()
1270 	f = refs.txfifo;  in usb_write()
1273 		usb_unref_device(cpd, &refs);  in usb_write()
1287 	if (refs.is_usbfs) {  in usb_write()
1370 	usb_unref_device(cpd, &refs);  in usb_write()