907 					 const char *var_name)  in find_var_field()  argument
915 		    strcmp(hist_field->var.name, var_name) == 0) {  in find_var_field()
926 				   const char *var_name)  in find_var()  argument
934 	hist_field = find_var_field(hist_data, var_name);  in find_var()
941 			hist_field = find_var_field(test_data, var_name);  in find_var()
953 					      char *var_name)  in find_var_file()  argument
968 		if (find_var_field(var_hist_data, var_name)) {  in find_var_file()
970 				hist_err(tr, HIST_ERR_VAR_NOT_UNIQUE, errpos(var_name));  in find_var_file()
982 					const char *var_name)  in find_file_var()  argument
993 			hist_field = find_var_field(test_data, var_name);  in find_file_var()
1003 find_match_var(struct hist_trigger_data *hist_data, char *var_name)  in find_match_var()  argument
1017 			file = find_var_file(tr, system, event_name, var_name);  in find_match_var()
1020 			hist_field = find_file_var(file, var_name);  in find_match_var()
1024 						 errpos(var_name));  in find_match_var()
1038 					 char *var_name)  in find_event_var()  argument
1045 		hist_field = find_match_var(hist_data, var_name);  in find_event_var()
1052 	file = find_var_file(tr, system, event_name, var_name);  in find_event_var()
1056 	hist_field = find_file_var(file, var_name);  in find_event_var()
1662 					    char *var_name)  in create_hist_field()  argument
1760 	if (var_name) {  in create_hist_field()
1761 		hist_field->var.name = kstrdup(var_name, GFP_KERNEL);  in create_hist_field()
1909 static bool is_var_ref(char *var_name)  in is_var_ref()  argument
1911 	if (!var_name || strlen(var_name) < 2 || var_name[0] != '$')  in is_var_ref()
1918 				 char *var_name)  in field_name_from_var()  argument
1926 		if (strcmp(var_name, name) == 0) {  in field_name_from_var()
1939 				 char *var_name)  in local_field_var_ref()  argument
1956 	if (!is_var_ref(var_name))  in local_field_var_ref()
1959 	var_name++;  in local_field_var_ref()
1961 	return field_name_from_var(hist_data, var_name);  in local_field_var_ref()
1966 					char *var_name)  in parse_var_ref()  argument
1971 	if (!is_var_ref(var_name))  in parse_var_ref()
1974 	var_name++;  in parse_var_ref()
1976 	var_field = find_event_var(hist_data, system, event_name, var_name);  in parse_var_ref()
1982 		hist_err(tr, HIST_ERR_VAR_NOT_FOUND, errpos(var_name));  in parse_var_ref()
2071 				       char *var_name)  in create_alias()  argument
2076 	alias = create_hist_field(hist_data, NULL, flags, var_name);  in create_alias()
2095 				     unsigned long *flags, char *var_name)  in parse_atom()  argument
2126 			if (var_name) {  in parse_atom()
2127 				hist_field = create_alias(hist_data, hist_field, var_name);  in parse_atom()
2144 	hist_field = create_hist_field(hist_data, field, *flags, var_name);  in parse_atom()
2159 				     char *var_name, unsigned int level);
2164 				      char *var_name, unsigned int level)  in parse_unary()  argument
2198 	expr = create_hist_field(hist_data, NULL, flags, var_name);  in parse_unary()
2275 				     char *var_name, unsigned int level)  in parse_expr()  argument
2290 		return parse_atom(hist_data, file, str, &flags, var_name);  in parse_expr()
2293 		return parse_unary(hist_data, file, str, flags, var_name, ++level);  in parse_expr()
2347 	expr = create_hist_field(hist_data, NULL, flags, var_name);  in parse_expr()
2645 		      char *subsys_name, char *event_name, char *var_name)  in find_target_event_var()  argument
2665 	hist_field = find_var_field(hist_data, var_name);  in find_target_event_var()
2833 			char *subsys_name, char *event_name, char *var_name)  in create_target_field_var()  argument
2852 	return create_field_var(target_hist_data, file, var_name);  in create_target_field_var()
3750 			      char *var_name, char *field_str,  in __create_val_field()  argument
3756 	hist_field = parse_expr(hist_data, file, field_str, flags, var_name, 0);  in __create_val_field()
3822 			    char *var_name, char *expr_str)  in create_var_field()  argument
3831 	if (find_var(hist_data, file, var_name) && !hist_data->remove) {  in create_var_field()
3832 		hist_err(tr, HIST_ERR_DUPLICATE_VAR, errpos(var_name));  in create_var_field()
3841 	ret = __create_val_field(hist_data, val_idx, file, var_name, expr_str, flags);  in create_var_field()
3989 		char *var_name = hist_data->attrs->var_defs.name[i];  in create_var_fields()  local
3992 		ret = create_var_field(hist_data, j++, file, var_name, expr);  in create_var_fields()
4015 	char *s, *str, *var_name, *field_str;  in parse_var_defs()  local
4026 			var_name = strsep(&field_str, "=");  in parse_var_defs()
4027 			if (!var_name || !field_str) {  in parse_var_defs()
4029 					 errpos(var_name));  in parse_var_defs()
4035 				hist_err(tr, HIST_ERR_TOO_MANY_VARS, errpos(var_name));  in parse_var_defs()
4040 			s = kstrdup(var_name, GFP_KERNEL);  in parse_var_defs()