Don't try to send empty packet

2017-01-04 14:35:26 +00:00
parent 8c8715187b
commit 2cc8caec35
1 changed files with 4 additions and 3 deletions
--- 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) {