From: Bart Polot <bart@net.in.tum.de>
Date: Thu, 14 Nov 2013 10:31:02 +0000 (+0000)
Subject: - fix NPE
X-Git-Tag: initial-import-from-subversion-38251~6123
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=a22a030590120a44e86cbc11e41198969b4f3318;p=oweals%2Fgnunet.git

- fix NPE
---

diff --git a/src/mesh/gnunet-service-mesh_channel.c b/src/mesh/gnunet-service-mesh_channel.c
index c334932d7..de2c465b7 100644
--- a/src/mesh/gnunet-service-mesh_channel.c
+++ b/src/mesh/gnunet-service-mesh_channel.c
@@ -1292,7 +1292,7 @@ GMCH_allow_client (struct MeshChannel *ch, int fwd)
       GNUNET_break (0);
       return;
     }
-    if (64 <= rel->mid_send - rel->head_sent->mid)
+    if (NULL != rel->head_sent && 64 <= rel->mid_send - rel->head_sent->mid)
     {
       LOG (GNUNET_ERROR_TYPE_DEBUG,
            " too big mid gap! Wait for ACK.\n");