306 static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char *source)  in usbatm_extract_one_cell()  argument
310 	short vpi = ((source[0] & 0x0f) << 4)  | (source[1] >> 4);  in usbatm_extract_one_cell()
311 	int vci = ((source[1] & 0x0f) << 12) | (source[2] << 4) | (source[3] >> 4);  in usbatm_extract_one_cell()
312 	u8 pti = ((source[3] & 0xe) >> 1);  in usbatm_extract_one_cell()
347 	memcpy(skb_tail_pointer(sarb), source + ATM_CELL_HEADER, ATM_CELL_PAYLOAD);  in usbatm_extract_one_cell()
355 		length = (source[ATM_CELL_SIZE - 6] << 8) + source[ATM_CELL_SIZE - 5];  in usbatm_extract_one_cell()
424 		unsigned char *source, unsigned int avail_data)  in usbatm_extract_cells()  argument
439 			memcpy(cell_buf + buf_usage, source, space_left);  in usbatm_extract_cells()
440 			source += space_left;  in usbatm_extract_cells()
446 			memcpy(cell_buf + buf_usage, source, avail_data);  in usbatm_extract_cells()
452 	for (; avail_data >= stride; avail_data -= stride, source += stride)  in usbatm_extract_cells()
453 		usbatm_extract_one_cell(instance, source);  in usbatm_extract_cells()
458 		memcpy(instance->cell_buf, source, avail_data);  in usbatm_extract_cells()