250 	struct hist_field *operand1 = hist_field->operands[0];  in hist_field_plus()  local
253 	u64 val1 = operand1->fn(operand1, elt, buffer, rbe, event);  in hist_field_plus()
265 	struct hist_field *operand1 = hist_field->operands[0];  in hist_field_minus()  local
268 	u64 val1 = operand1->fn(operand1, elt, buffer, rbe, event);  in hist_field_minus()
2166 	struct hist_field *operand1, *expr = NULL;  in parse_unary()  local
2205 	operand1 = parse_expr(hist_data, file, str, operand_flags, NULL, ++level);  in parse_unary()
2206 	if (IS_ERR(operand1)) {  in parse_unary()
2207 		ret = PTR_ERR(operand1);  in parse_unary()
2210 	if (operand1->flags & HIST_FIELD_FL_STRING) {  in parse_unary()
2213 		destroy_hist_field(operand1, 0);  in parse_unary()
2218 	expr->flags |= operand1->flags &  in parse_unary()
2221 	expr->operands[0] = operand1;  in parse_unary()
2224 	expr->type = kstrdup_const(operand1->type, GFP_KERNEL);  in parse_unary()
2237 			       struct hist_field *operand1,  in check_expr_operands()  argument
2240 	unsigned long operand1_flags = operand1->flags;  in check_expr_operands()
2247 		var = find_var_field(operand1->var.hist_data, operand1->name);  in check_expr_operands()
2277 	struct hist_field *operand1 = NULL, *operand2 = NULL, *expr = NULL;  in parse_expr()  local
2311 	operand1 = parse_atom(hist_data, file, operand1_str,  in parse_expr()
2313 	if (IS_ERR(operand1)) {  in parse_expr()
2314 		ret = PTR_ERR(operand1);  in parse_expr()
2315 		operand1 = NULL;  in parse_expr()
2318 	if (operand1->flags & HIST_FIELD_FL_STRING) {  in parse_expr()
2338 	ret = check_expr_operands(file->tr, operand1, operand2);  in parse_expr()
2344 	flags |= operand1->flags &  in parse_expr()
2353 	operand1->read_once = true;  in parse_expr()
2356 	expr->operands[0] = operand1;  in parse_expr()
2360 	expr->size = operand1->size;  in parse_expr()
2364 	expr->type = kstrdup_const(operand1->type, GFP_KERNEL);  in parse_expr()
2384 	destroy_hist_field(operand1, 0);  in parse_expr()