From e56213db28c442a7a67e2424d1631a7f1f42a5fc Mon Sep 17 00:00:00 2001
From: Michael Stapelberg <michael@stapelberg.de>
Date: Wed, 22 Jul 2009 18:30:16 +0200
Subject: [PATCH] Free the addresses correctly

---
 src/get_ip_addr.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/get_ip_addr.c b/src/get_ip_addr.c
index 354ae08..cc812f2 100644
--- a/src/get_ip_addr.c
+++ b/src/get_ip_addr.c
@@ -42,19 +42,25 @@ const char *get_ip_addr(const char *interface) {
              addrp = addrp->ifa_next) {
                 /* Check if the interface is down */
                 if (strcmp(addrp->ifa_name, eth_interface) == 0 &&
-                    (addrp->ifa_flags & IFF_RUNNING) == 0)
+                    (addrp->ifa_flags & IFF_RUNNING) == 0) {
+                        freeifaddrs(ifaddr);
                         return NULL;
+                }
         }
 
-        if (addrp == NULL)
+        if (addrp == NULL) {
+                freeifaddrs(ifaddr);
                 return "no IP";
+        }
 
         int ret;
         if ((ret = getnameinfo(addrp->ifa_addr, len, part, sizeof(part), NULL, 0, NI_NUMERICHOST)) != 0) {
                 fprintf(stderr, "getnameinfo(): %s\n", gai_strerror(ret));
+                freeifaddrs(ifaddr);
                 return "no IP";
         }
 
+        freeifaddrs(ifaddr);
         return part;
 }