From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 26 Jan 2012 22:50:42 +0000 (+0000)
Subject: -allow NULL
X-Git-Tag: initial-import-from-subversion-38251~15047
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=bfc70f045a8e34de985f7e8bcbcc2fca52e404e9;p=oweals%2Fgnunet.git

-allow NULL
---

diff --git a/src/util/helper.c b/src/util/helper.c
index c7e059237..029203638 100644
--- a/src/util/helper.c
+++ b/src/util/helper.c
@@ -189,7 +189,8 @@ stop_helper (struct GNUNET_HELPER_Handle *h)
     GNUNET_CONTAINER_DLL_remove (h->mq_head,
 				 h->mq_tail,
 				 qe);
-    qe->cont (qe->cont_cls, GNUNET_NO);
+    if (NULL != qe->cont)
+      qe->cont (qe->cont_cls, GNUNET_NO);
     GNUNET_free (qe);
   }
   /* purge MST buffer */
@@ -387,7 +388,8 @@ GNUNET_HELPER_stop (struct GNUNET_HELPER_Handle *h)
     GNUNET_CONTAINER_DLL_remove (h->mq_head,
 				 h->mq_tail,
 				 qe);
-    qe->cont (qe->cont_cls, GNUNET_SYSERR);
+    if (NULL != qe->cont)
+      qe->cont (qe->cont_cls, GNUNET_SYSERR);
     GNUNET_free (qe);
   }
   stop_helper (h);