From 0f7dfa3bd5f5118d398ba12ae001f679f7d96166 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 21 May 2010 11:15:20 +0000
Subject: [PATCH] could theoretically be NULL, check

---
 src/peerinfo/peerinfo_api.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/peerinfo/peerinfo_api.c b/src/peerinfo/peerinfo_api.c
index 7e9d9b2f0..5def415e9 100644
--- a/src/peerinfo/peerinfo_api.c
+++ b/src/peerinfo/peerinfo_api.c
@@ -232,14 +232,18 @@ do_transmit (void *cls, size_t size, void *buf)
                   ("Failed to transmit message of type %u to `%s' service.\n"),
                   ntohs (msg->type), "peerinfo");
 #endif
-      GNUNET_CONTAINER_DLL_remove (h->tq_head,
-				   h->tq_tail,
-				   tqe);
+      if (tqe != NULL)
+	GNUNET_CONTAINER_DLL_remove (h->tq_head,
+				     h->tq_tail,
+				     tqe);
       reconnect (h);
       trigger_transmit (h);
-      if (tqe->cont != NULL)
-	tqe->cont (tqe->cont_cls, GNUNET_SYSERR);
-      GNUNET_free (tqe);
+      if (tqe != NULL)
+	{
+	  if (tqe->cont != NULL)
+	    tqe->cont (tqe->cont_cls, GNUNET_SYSERR);
+	  GNUNET_free (tqe);
+	}
       return 0;
     }
   ret = tqe->size;
-- 
2.25.1