[GNUnet-SVN] [gnunet] branch master updated: fix segfault

[gnunet]

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lurchi pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new 9a407ea7b fix segfault
9a407ea7b is described below

commit 9a407ea7b33ae9146f275b670600880661237995
Author: lurchi <address@hidden>
AuthorDate: Fri Jun 29 00:44:23 2018 +0200

    fix segfault
---
 src/util/gnunet-service-resolver.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/util/gnunet-service-resolver.c 
b/src/util/gnunet-service-resolver.c
index d2464846c..5b890261b 100644
--- a/src/util/gnunet-service-resolver.c
+++ b/src/util/gnunet-service-resolver.c
@@ -378,10 +378,19 @@ handle_resolve_result (void *cls,
                client);
   if (NULL != cache)
     cache->client = NULL;
-  GNUNET_SCHEDULER_cancel (cache->timeout_task);
-  GNUNET_DNSSTUB_resolve_cancel (cache->resolve_handle);
-  cache->timeout_task = NULL;
-  cache->resolve_handle = NULL;
+  if (NULL != cache)
+  {
+    if (NULL != cache->timeout_task)
+    { 
+      GNUNET_SCHEDULER_cancel (cache->timeout_task);
+      cache->timeout_task = NULL;
+    }
+    if (NULL != cache->resolve_handle)
+    {
+      GNUNET_DNSSTUB_resolve_cancel (cache->resolve_handle);
+      cache->resolve_handle = NULL;
+    }
+  }
   GNUNET_DNSPARSER_free_packet (parsed);
 }
 

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