Fix a potential memory leak.

[oweals/tinc.git] / src / multicast_device.c

diff --git a/src/multicast_device.c b/src/multicast_device.c
index ad0185a3797f1000c4933102a83b958a497ce380..ceaa3efc78d2881dc0bbd11d682571839b28fb14 100644 (file)
--- a/src/multicast_device.c
+++ b/src/multicast_device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- multicast socket
     Copyright (C) 2002-2005 Ivo Timmermans,
-                  2002-2013 Guus Sliepen <guus@tinc-vpn.org>
+                  2002-2014 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -70,8 +70,10 @@ static bool setup_device(void) {
        }
 
        ai = str2addrinfo(host, port, SOCK_DGRAM);
-       if(!ai)
+       if(!ai) {
+               free(host);
                return false;
+       }
 
        device_fd = socket(ai->ai_family, SOCK_DGRAM, IPPROTO_UDP);
        if(device_fd < 0) {
@@ -140,7 +142,7 @@ static bool setup_device(void) {
 #endif
        
                default:
-                       logger(LOG_ERR, "Multicast for address family %hx unsupported", ai->ai_family);
+                       logger(LOG_ERR, "Multicast for address family %x unsupported", ai->ai_family);
                        closesocket(device_fd);
                        free(host);
                        return false;