1104 					 const char *var_name)  in find_var_field()  argument
1112 		    strcmp(hist_field->var.name, var_name) == 0) {  in find_var_field()
1123 				   const char *var_name)  in find_var()  argument
1131 	hist_field = find_var_field(hist_data, var_name);  in find_var()
1138 			hist_field = find_var_field(test_data, var_name);  in find_var()
1150 					      char *var_name)  in find_var_file()  argument
1165 		if (find_var_field(var_hist_data, var_name)) {  in find_var_file()
1167 				hist_err(tr, HIST_ERR_VAR_NOT_UNIQUE, errpos(var_name));  in find_var_file()
1179 					const char *var_name)  in find_file_var()  argument
1190 			hist_field = find_var_field(test_data, var_name);  in find_file_var()
1200 find_match_var(struct hist_trigger_data *hist_data, char *var_name)  in find_match_var()  argument
1214 			file = find_var_file(tr, system, event_name, var_name);  in find_match_var()
1217 			hist_field = find_file_var(file, var_name);  in find_match_var()
1221 						 errpos(var_name));  in find_match_var()
1235 					 char *var_name)  in find_event_var()  argument
1242 		hist_field = find_match_var(hist_data, var_name);  in find_event_var()
1249 	file = find_var_file(tr, system, event_name, var_name);  in find_event_var()
1253 	hist_field = find_file_var(file, var_name);  in find_event_var()
1939 					    char *var_name)  in create_hist_field()  argument
2058 	if (var_name) {  in create_hist_field()
2059 		hist_field->var.name = kstrdup(var_name, GFP_KERNEL);  in create_hist_field()
2212 static bool is_var_ref(char *var_name)  in is_var_ref()  argument
2214 	if (!var_name || strlen(var_name) < 2 || var_name[0] != '$')  in is_var_ref()
2221 				 char *var_name)  in field_name_from_var()  argument
2229 		if (strcmp(var_name, name) == 0) {  in field_name_from_var()
2242 				 char *var_name)  in local_field_var_ref()  argument
2259 	if (!is_var_ref(var_name))  in local_field_var_ref()
2262 	var_name++;  in local_field_var_ref()
2264 	return field_name_from_var(hist_data, var_name);  in local_field_var_ref()
2269 					char *var_name)  in parse_var_ref()  argument
2274 	if (!is_var_ref(var_name))  in parse_var_ref()
2277 	var_name++;  in parse_var_ref()
2279 	var_field = find_event_var(hist_data, system, event_name, var_name);  in parse_var_ref()
2285 		hist_err(tr, HIST_ERR_VAR_NOT_FOUND, errpos(var_name));  in parse_var_ref()
2396 				       char *var_name)  in create_alias()  argument
2401 	alias = create_hist_field(hist_data, NULL, flags, var_name);  in create_alias()
2419 				      char *str, char *var_name,  in parse_const()  argument
2432 	field = create_hist_field(hist_data, NULL, *flags, var_name);  in parse_const()
2443 				     unsigned long *flags, char *var_name)  in parse_atom()  argument
2452 		hist_field = parse_const(hist_data, str, var_name, flags);  in parse_atom()
2483 			if (var_name) {  in parse_atom()
2484 				hist_field = create_alias(hist_data, hist_field, var_name);  in parse_atom()
2501 	hist_field = create_hist_field(hist_data, field, *flags, var_name);  in parse_atom()
2516 				     char *var_name, unsigned int *n_subexprs);
2521 				      char *var_name, unsigned int *n_subexprs)  in parse_unary()  argument
2566 	expr = create_hist_field(hist_data, NULL, flags, var_name);  in parse_unary()
2653 				     char *var_name, unsigned int *n_subexprs)  in parse_expr()  argument
2671 		return parse_atom(hist_data, file, str, &flags, var_name);  in parse_expr()
2674 		return parse_unary(hist_data, file, str, flags, var_name, n_subexprs);  in parse_expr()
2753 	expr = create_hist_field(hist_data, NULL, flags, var_name);  in parse_expr()
3089 		      char *subsys_name, char *event_name, char *var_name)  in find_target_event_var()  argument
3109 	hist_field = find_var_field(hist_data, var_name);  in find_target_event_var()
3295 			char *subsys_name, char *event_name, char *var_name)  in create_target_field_var()  argument
3314 	return create_field_var(target_hist_data, file, var_name);  in create_target_field_var()
4223 			      char *var_name, char *field_str,  in __create_val_field()  argument
4229 	hist_field = parse_expr(hist_data, file, field_str, flags, var_name, &n_subexprs);  in __create_val_field()
4396 			    char *var_name, char *expr_str)  in create_var_field()  argument
4405 	if (find_var(hist_data, file, var_name) && !hist_data->remove) {  in create_var_field()
4406 		hist_err(tr, HIST_ERR_DUPLICATE_VAR, errpos(var_name));  in create_var_field()
4415 	ret = __create_val_field(hist_data, val_idx, file, var_name, expr_str, flags);  in create_var_field()
4572 		char *var_name = hist_data->attrs->var_defs.name[i];  in create_var_fields()  local
4575 		ret = create_var_field(hist_data, j++, file, var_name, expr);  in create_var_fields()
4598 	char *s, *str, *var_name, *field_str;  in parse_var_defs()  local
4609 			var_name = strsep(&field_str, "=");  in parse_var_defs()
4610 			if (!var_name || !field_str) {  in parse_var_defs()
4612 					 errpos(var_name));  in parse_var_defs()
4618 				hist_err(tr, HIST_ERR_TOO_MANY_VARS, errpos(var_name));  in parse_var_defs()
4623 			s = kstrdup(var_name, GFP_KERNEL);  in parse_var_defs()