Fixed MDEV-348: 5.5 valgrind warinings on maria tests

storage/maria/ma_close.c

@@ -193,23 +193,29 @@ int maria_close(register MARIA_HA *info)
     else
       share_can_be_freed= TRUE;
 
-    if (share->state_history && share->state_history->trid)
+    if (share->state_history)
     {
-      MARIA_STATE_HISTORY_CLOSED *history;
-      DBUG_PRINT("info", ("Storing state history"));
-      /*
-        Here we ignore the unlikely case that we don't have memory to
-        store the state. In the worst case what happens is that any transaction
-        that tries to access this table will get a wrong status information.
-      */
-      if ((history= (MARIA_STATE_HISTORY_CLOSED *)
-           my_malloc(sizeof(*history), MYF(MY_WME))))
+      if (share->state_history->trid)           /* If not visible for all */
       {
-        history->create_rename_lsn= share->state.create_rename_lsn;
-        history->state_history= share->state_history;
-        if (my_hash_insert(&maria_stored_state, (uchar*) history))
-          my_free(history);
+        MARIA_STATE_HISTORY_CLOSED *history;
+        DBUG_PRINT("info", ("Storing state history"));
+        /*
+          Here we ignore the unlikely case that we don't have memory
+          to store the state. In the worst case what happens is that
+          any transaction that tries to access this table will get a
+          wrong status information.
+        */
+        if ((history= (MARIA_STATE_HISTORY_CLOSED *)
+             my_malloc(sizeof(*history), MYF(MY_WME))))
+        {
+          history->create_rename_lsn= share->state.create_rename_lsn;
+          history->state_history= share->state_history;
+          if (my_hash_insert(&maria_stored_state, (uchar*) history))
+            my_free(history);
+        }
       }
+      else
+        my_free(share->state_history);
       /* Marker for concurrent checkpoint */
       share->state_history= 0;
     }