From 3c3cddee67d6b4bbae07b6f17833a44b4f147a12 Mon Sep 17 00:00:00 2001
From: Erik Ekman <yarrick@kryo.se>
Date: Sat, 12 Jul 2008 20:30:35 +0000
Subject: [PATCH] Remove double warnings

---
 src/iodine.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/iodine.c b/src/iodine.c
index c7a3c66..3f47b0f 100644
--- a/src/iodine.c
+++ b/src/iodine.c
@@ -402,8 +402,11 @@ handshake(int dns_fd)
 		if(r > 0) {
 			read = read_dns(dns_fd, in, sizeof(in));
 			
-			if(read < 0) {
-				warn("handshake read");
+			if(read <= 0) {
+				if (read == 0) {
+					warn("handshake read");
+				}
+				/* if read < 0 then warning has been printed already */
 				continue;
 			}