133 	struct hist_field *operand1 = hist_field->operands[0];  in hist_field_plus()  local
136 	u64 val1 = operand1->fn(operand1, elt, rbe, event);  in hist_field_plus()
147 	struct hist_field *operand1 = hist_field->operands[0];  in hist_field_minus()  local
150 	u64 val1 = operand1->fn(operand1, elt, rbe, event);  in hist_field_minus()
2599 	struct hist_field *operand1, *expr = NULL;  in parse_unary()  local
2638 	operand1 = parse_expr(hist_data, file, str, operand_flags, NULL, ++level);  in parse_unary()
2639 	if (IS_ERR(operand1)) {  in parse_unary()
2640 		ret = PTR_ERR(operand1);  in parse_unary()
2644 	expr->flags |= operand1->flags &  in parse_unary()
2647 	expr->operands[0] = operand1;  in parse_unary()
2650 	expr->type = kstrdup(operand1->type, GFP_KERNEL);  in parse_unary()
2662 static int check_expr_operands(struct hist_field *operand1,  in check_expr_operands()  argument
2665 	unsigned long operand1_flags = operand1->flags;  in check_expr_operands()
2672 		var = find_var_field(operand1->var.hist_data, operand1->name);  in check_expr_operands()
2702 	struct hist_field *operand1 = NULL, *operand2 = NULL, *expr = NULL;  in parse_expr()  local
2736 	operand1 = parse_atom(hist_data, file, operand1_str,  in parse_expr()
2738 	if (IS_ERR(operand1)) {  in parse_expr()
2739 		ret = PTR_ERR(operand1);  in parse_expr()
2740 		operand1 = NULL;  in parse_expr()
2753 	ret = check_expr_operands(operand1, operand2);  in parse_expr()
2759 	flags |= operand1->flags &  in parse_expr()
2768 	operand1->read_once = true;  in parse_expr()
2771 	expr->operands[0] = operand1;  in parse_expr()
2775 	expr->type = kstrdup(operand1->type, GFP_KERNEL);  in parse_expr()
2795 	destroy_hist_field(operand1, 0);  in parse_expr()