exchange

commit cb1548d1a080e8d05624482534205318796a802f
parent 2e65fa836689bf343ec71e44be8eee77e21ee442
Author: Florian Dold <florian.dold@gmail.com>
Date:   Fri,  6 Apr 2018 00:36:45 +0200

avoid dangling pointer

Diffstat:
M
src/wire/plugin_wire_test.c
 | 
12
+++++++++++-

1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/src/wire/plugin_wire_test.c b/src/wire/plugin_wire_test.c
@@ -869,6 +869,12 @@ bhist_cb (void *cls,
       GNUNET_free (subject);
       wd.account_details = details->account_details;
 
+      GNUNET_break (NULL != whh->hh);
+
+      /* Once we get the sentinel element, the handle becomes invalid. */
+      if (TALER_BANK_DIRECTION_NONE == dir)
+        whh->hh = NULL;
+
       if ( (NULL != whh->hres_cb) &&
            (GNUNET_OK !=
             whh->hres_cb (whh->hres_cb_cls,
@@ -1007,7 +1013,11 @@ static void
 test_get_history_cancel (void *cls,
 			 struct TALER_WIRE_HistoryHandle *whh)
 {
-  TALER_BANK_history_cancel (whh->hh);
+  if (NULL != whh->hh)
+  {
+    TALER_BANK_history_cancel (whh->hh);
+    whh->hh = NULL;
+  }
   GNUNET_free (whh);
 }