From 0a6cbabb260bb536bc1ee91e823fe7d1ee3dcd6d Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Thu, 4 Sep 2014 11:45:58 +0200
Subject: [PATCH] Sentinel: don't set announce-ip if is empty.

---
 src/sentinel.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/sentinel.c b/src/sentinel.c
index 1ce854a62..4cc891c97 100644
--- a/src/sentinel.c
+++ b/src/sentinel.c
@@ -1433,7 +1433,8 @@ char *sentinelHandleConfiguration(char **argv, int argc) {
         if (argc == 5) si->runid = sdsnew(argv[4]);
     } else if (!strcasecmp(argv[0],"announce-ip") && argc == 2) {
         /* announce-ip <ip-address> */
-        sentinel.announce_ip = sdsnew(argv[1]);
+        if (strlen(argv[1]))
+            sentinel.announce_ip = sdsnew(argv[1]);
     } else if (!strcasecmp(argv[0],"announce-port") && argc == 2) {
         /* announce-port <port> */
         sentinel.announce_port = atoi(argv[1]);