From 2cc8caec3536a30cffa291270ad231f7d4911f58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrien=20Gallou=C3=ABt?= <adrien@gallouet.fr>
Date: Wed, 4 Jan 2017 14:35:26 +0000
Subject: [PATCH] Don't try to send empty packet

---
 src/main.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/main.c b/src/main.c
index b5c097c..3fab5b5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -410,10 +410,8 @@ main(int argc, char **argv)
                     struct ip_common ic;
 
                     if ((ip_get_common(&ic, &buf[q], size - q)) ||
-                        (ic.size > size - q)) {
-                        size = q;
+                        (ic.size > size - q))
                         break;
-                    }
 
                     if (q + ic.size > p + gt.mtu)
                         break;
@@ -424,6 +422,9 @@ main(int argc, char **argv)
                         tc = ic.tc & 0xFC;
                 }
 
+                if (p == q)
+                    break;
+
                 int r = mud_send(mud, &buf[p], q - p, tc);
 
                 if (r == -1 && errno == EMSGSIZE) {