From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 1 Nov 2018 18:17:55 +0000 (+0900)
Subject: network: fix possible memleak caused by multiple setting of Bridge=, Bond= or VRF=
X-Git-Tag: v240~414^2~12
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=25ed70f76fc6b830d936e56411f1c1552be87f41;p=thirdparty%2Fsystemd.git

network: fix possible memleak caused by multiple setting of Bridge=, Bond= or VRF=
---

diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index 8d7795d72c2..1890021f511 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -607,14 +607,17 @@ int config_parse_netdev(const char *unit,
 
         switch (kind) {
         case NETDEV_KIND_BRIDGE:
+                network->bridge = netdev_unref(network->bridge);
                 network->bridge = netdev;
 
                 break;
         case NETDEV_KIND_BOND:
+                network->bond = netdev_unref(network->bond);
                 network->bond = netdev;
 
                 break;
         case NETDEV_KIND_VRF:
+                network->vrf = netdev_unref(network->vrf);
                 network->vrf = netdev;
 
                 break;