219 	struct hist_field *operand1 = hist_field->operands[0];  in hist_field_plus()  local
222 	u64 val1 = operand1->fn(operand1, elt, rbe, event);  in hist_field_plus()
233 	struct hist_field *operand1 = hist_field->operands[0];  in hist_field_minus()  local
236 	u64 val1 = operand1->fn(operand1, elt, rbe, event);  in hist_field_minus()
2080 	struct hist_field *operand1, *expr = NULL;  in parse_unary()  local
2119 	operand1 = parse_expr(hist_data, file, str, operand_flags, NULL, ++level);  in parse_unary()
2120 	if (IS_ERR(operand1)) {  in parse_unary()
2121 		ret = PTR_ERR(operand1);  in parse_unary()
2125 	expr->flags |= operand1->flags &  in parse_unary()
2128 	expr->operands[0] = operand1;  in parse_unary()
2131 	expr->type = kstrdup(operand1->type, GFP_KERNEL);  in parse_unary()
2144 			       struct hist_field *operand1,  in check_expr_operands()  argument
2147 	unsigned long operand1_flags = operand1->flags;  in check_expr_operands()
2154 		var = find_var_field(operand1->var.hist_data, operand1->name);  in check_expr_operands()
2184 	struct hist_field *operand1 = NULL, *operand2 = NULL, *expr = NULL;  in parse_expr()  local
2218 	operand1 = parse_atom(hist_data, file, operand1_str,  in parse_expr()
2220 	if (IS_ERR(operand1)) {  in parse_expr()
2221 		ret = PTR_ERR(operand1);  in parse_expr()
2222 		operand1 = NULL;  in parse_expr()
2235 	ret = check_expr_operands(file->tr, operand1, operand2);  in parse_expr()
2241 	flags |= operand1->flags &  in parse_expr()
2250 	operand1->read_once = true;  in parse_expr()
2253 	expr->operands[0] = operand1;  in parse_expr()
2257 	expr->type = kstrdup(operand1->type, GFP_KERNEL);  in parse_expr()
2277 	destroy_hist_field(operand1, 0);  in parse_expr()