From bd215f8bab7e0d94fa482b47ff8d5971cd5ab799 Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@ucw.cz>
Date: Wed, 26 Jan 2000 14:12:18 +0000
Subject: [PATCH] Do not send empty packets in rip.

---
 proto/rip/rip.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/proto/rip/rip.c b/proto/rip/rip.c
index 6e3f8cdd..08193191 100644
--- a/proto/rip/rip.c
+++ b/proto/rip/rip.c
@@ -162,10 +162,14 @@ rip_tx( sock *s )
     if (i == !!P_CF->authtype)
       continue;
 #endif
-    if (ipa_nonzero(c->daddr))
-      i = sk_send_to( s, packetlen, c->daddr, c->dport );
-    else
-      i = sk_send( s, packetlen );
+    if (!i)
+      DBG( "not sending NULL update\n" );
+    else {
+      if (ipa_nonzero(c->daddr))
+	i = sk_send_to( s, packetlen, c->daddr, c->dport );
+      else
+	i = sk_send( s, packetlen );
+    }
 
     DBG( "it wants more\n" );