ovsdb-server: Fix various memory leaks.

Some of these are serious leaks, in that they could leak some amount of
memory for every transaction processed by the database server.

Found with valgrind.

1 files changed, 6 insertions, 3 deletions

diff --git a/ovsdb/execution.c b/ovsdb/execution.c
index 4cb8b14c4..514a27848 100644
--- a/ovsdb/execution.c
+++ b/ovsdb/execution.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009 Nicira Networks
+/* Copyright (c) 2009, 2010 Nicira Networks
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -161,9 +161,11 @@ ovsdb_execute(struct ovsdb *db, const struct json *params,
             && timeout_msec) {
             ovsdb_txn_abort(x.txn);
             *timeout_msec = x.timeout_msec;
-            ovsdb_error_destroy(error);
+
+            json_destroy(result);
             json_destroy(results);
-            return NULL;
+            results = NULL;
+            goto exit;
         }
 
         /* Add result to array. */
@@ -186,6 +188,7 @@ ovsdb_execute(struct ovsdb *db, const struct json *params,
         json_array_add(results, json_null_create());
     }
 
+exit:
     ovsdb_error_destroy(error);
     ovsdb_symbol_table_destroy(x.symtab);