3 files changed, 10 insertions, 2 deletions
diff --git a/src/mintdb/mintdb_keyio.c b/src/mintdb/mintdb_keyio.c
index f475218b..9e2cd60f 100644
--- a/src/mintdb/mintdb_keyio.c
+++ b/src/mintdb/mintdb_keyio.c
@@ -165,6 +165,7 @@ TALER_MINTDB_denomination_key_read (const char *filename,
     GNUNET_free (data);
     return GNUNET_SYSERR;
   }
+  GNUNET_assert (NULL == dki->denom_priv.rsa_private_key);
   dki->denom_priv.rsa_private_key = priv;
   dki->denom_pub.rsa_public_key
     = GNUNET_CRYPTO_rsa_private_key_get_public (priv);
@@ -270,15 +271,18 @@ denomkeys_iterate_keydir_iter (void *cls,
   struct DenomkeysIterateContext *dic = cls;
   struct TALER_MINTDB_DenominationKeyIssueInformation issue;
 
+  memset (&issue, 0, sizeof (issue));
   if (GNUNET_OK !=
       TALER_MINTDB_denomination_key_read (filename,
-                                 &issue))
+                                          &issue))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                 "Invalid denomkey file: '%s'\n",
                 filename);
     return GNUNET_OK;
   }
+  /* FIXME: very ugly, 'it' is to free memory WE
+     allocated as part of issue!!?? #3886 */
   return dic->it (dic->it_cls,
                   dic->alias,
                   &issue);
diff --git a/src/mintdb/plugin_mintdb_common.c b/src/mintdb/plugin_mintdb_common.c
index f380d7da..11430127 100644
--- a/src/mintdb/plugin_mintdb_common.c
+++ b/src/mintdb/plugin_mintdb_common.c
@@ -100,6 +100,8 @@ common_free_coin_transaction_list (void *cls,
     {
     case TALER_MINTDB_TT_DEPOSIT:
       json_decref (list->details.deposit->wire);
+      GNUNET_CRYPTO_rsa_public_key_free (list->details.deposit->coin.denom_pub.rsa_public_key);
+      GNUNET_CRYPTO_rsa_signature_free (list->details.deposit->coin.denom_sig.rsa_signature);
       GNUNET_free (list->details.deposit);
       break;
     case TALER_MINTDB_TT_REFRESH_MELT:
diff --git a/src/mintdb/plugin_mintdb_postgres.c b/src/mintdb/plugin_mintdb_postgres.c
index d6e136da..f2bc8367 100644
--- a/src/mintdb/plugin_mintdb_postgres.c
+++ b/src/mintdb/plugin_mintdb_postgres.c
@@ -892,10 +892,12 @@ postgres_prepare (PGconn *db_conn)
 static void
 db_conn_destroy (void *cls)
 {
-  PGconn *db_conn = cls;
+  struct TALER_MINTDB_Session *session = cls;
+  PGconn *db_conn = session->conn;
 
   if (NULL != db_conn)
     PQfinish (db_conn);
+  GNUNET_free (session);
 }