1725 					 const char *var_name)  in find_var_field()  argument
1733 		    strcmp(hist_field->var.name, var_name) == 0) {  in find_var_field()
1744 				   const char *var_name)  in find_var()  argument
1750 	hist_field = find_var_field(hist_data, var_name);  in find_var()
1757 			hist_field = find_var_field(test_data, var_name);  in find_var()
1769 					      char *var_name)  in find_var_file()  argument
1784 		if (find_var_field(var_hist_data, var_name)) {  in find_var_file()
1786 				hist_err(tr, HIST_ERR_VAR_NOT_UNIQUE, errpos(var_name));  in find_var_file()
1798 					const char *var_name)  in find_file_var()  argument
1807 			hist_field = find_var_field(test_data, var_name);  in find_file_var()
1817 find_match_var(struct hist_trigger_data *hist_data, char *var_name)  in find_match_var()  argument
1831 			file = find_var_file(tr, system, event_name, var_name);  in find_match_var()
1834 			hist_field = find_file_var(file, var_name);  in find_match_var()
1838 						 errpos(var_name));  in find_match_var()
1852 					 char *var_name)  in find_event_var()  argument
1859 		hist_field = find_match_var(hist_data, var_name);  in find_event_var()
1866 	file = find_var_file(tr, system, event_name, var_name);  in find_event_var()
1870 	hist_field = find_file_var(file, var_name);  in find_event_var()
2439 					    char *var_name)  in create_hist_field()  argument
2538 	if (var_name) {  in create_hist_field()
2539 		hist_field->var.name = kstrdup(var_name, GFP_KERNEL);  in create_hist_field()
2660 static bool is_var_ref(char *var_name)  in is_var_ref()  argument
2662 	if (!var_name || strlen(var_name) < 2 || var_name[0] != '$')  in is_var_ref()
2669 				 char *var_name)  in field_name_from_var()  argument
2677 		if (strcmp(var_name, name) == 0) {  in field_name_from_var()
2690 				 char *var_name)  in local_field_var_ref()  argument
2707 	if (!is_var_ref(var_name))  in local_field_var_ref()
2710 	var_name++;  in local_field_var_ref()
2712 	return field_name_from_var(hist_data, var_name);  in local_field_var_ref()
2717 					char *var_name)  in parse_var_ref()  argument
2722 	if (!is_var_ref(var_name))  in parse_var_ref()
2725 	var_name++;  in parse_var_ref()
2727 	var_field = find_event_var(hist_data, system, event_name, var_name);  in parse_var_ref()
2733 		hist_err(tr, HIST_ERR_VAR_NOT_FOUND, errpos(var_name));  in parse_var_ref()
2797 				       char *var_name)  in create_alias()  argument
2802 	alias = create_hist_field(hist_data, NULL, flags, var_name);  in create_alias()
2821 				     unsigned long *flags, char *var_name)  in parse_atom()  argument
2851 			if (var_name) {  in parse_atom()
2852 				hist_field = create_alias(hist_data, hist_field, var_name);  in parse_atom()
2869 	hist_field = create_hist_field(hist_data, field, *flags, var_name);  in parse_atom()
2883 				     char *var_name, unsigned int level);
2888 				      char *var_name, unsigned int level)  in parse_unary()  argument
2922 	expr = create_hist_field(hist_data, NULL, flags, var_name);  in parse_unary()
2992 				     char *var_name, unsigned int level)  in parse_expr()  argument
3007 		return parse_atom(hist_data, file, str, &flags, var_name);  in parse_expr()
3010 		return parse_unary(hist_data, file, str, flags, var_name, ++level);  in parse_expr()
3054 	expr = create_hist_field(hist_data, NULL, flags, var_name);  in parse_expr()
3344 		      char *subsys_name, char *event_name, char *var_name)  in find_target_event_var()  argument
3364 	hist_field = find_var_field(hist_data, var_name);  in find_target_event_var()
3528 			char *subsys_name, char *event_name, char *var_name)  in create_target_field_var()  argument
3547 	return create_field_var(target_hist_data, file, var_name);  in create_target_field_var()
4417 			      char *var_name, char *field_str,  in __create_val_field()  argument
4423 	hist_field = parse_expr(hist_data, file, field_str, flags, var_name, 0);  in __create_val_field()
4454 			    char *var_name, char *expr_str)  in create_var_field()  argument
4462 	if (find_var(hist_data, file, var_name) && !hist_data->remove) {  in create_var_field()
4463 		hist_err(tr, HIST_ERR_DUPLICATE_VAR, errpos(var_name));  in create_var_field()
4472 	return __create_val_field(hist_data, val_idx, file, var_name, expr_str, flags);  in create_var_field()
4620 		char *var_name = hist_data->attrs->var_defs.name[i];  in create_var_fields()  local
4623 		ret = create_var_field(hist_data, j++, file, var_name, expr);  in create_var_fields()
4646 	char *s, *str, *var_name, *field_str;  in parse_var_defs()  local
4657 			var_name = strsep(&field_str, "=");  in parse_var_defs()
4658 			if (!var_name || !field_str) {  in parse_var_defs()
4660 					 errpos(var_name));  in parse_var_defs()
4666 				hist_err(tr, HIST_ERR_TOO_MANY_VARS, errpos(var_name));  in parse_var_defs()
4671 			s = kstrdup(var_name, GFP_KERNEL);  in parse_var_defs()