trivial cleanup

sql/sql_show.cc

@@ -4430,15 +4430,13 @@ try_acquire_high_prio_shared_mdl_lock(THD *thd, TABLE_LIST *table,
                               open_tables function for this table
 */
 
-static int fill_schema_table_from_frm(THD *thd, TABLE_LIST *tables,
+static int fill_schema_table_from_frm(THD *thd, TABLE *table,
                                       ST_SCHEMA_TABLE *schema_table,
                                       LEX_STRING *db_name,
                                       LEX_STRING *table_name,
-                                      enum enum_schema_tables schema_table_idx,
                                       Open_tables_backup *open_tables_state_backup,
                                       bool can_deadlock)
 {
-  TABLE *table= tables->table;
   TABLE_SHARE *share;
   TABLE tbl;
   TABLE_LIST table_list;
@@ -4796,9 +4794,8 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
             if (!(table_open_method & ~OPEN_FRM_ONLY) &&
                 db_name != &INFORMATION_SCHEMA_NAME)
             {
-              if (!fill_schema_table_from_frm(thd, tables, schema_table,
+              if (!fill_schema_table_from_frm(thd, table, schema_table,
                                               db_name, table_name,
-                                              schema_table_idx,
                                               &open_tables_state_backup,
                                               can_deadlock))
                 continue;