confile: cleanup clr_config_net_ipv4_gateway()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index 99a0de5097cbd4b078123751e9085e60497b114c..c0f3ca021ffd17b02966ce63572e457c391d6114 100644 (file)
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -5436,10 +5436,9 @@ static int clr_config_net_ipv4_gateway(const char *key,
        struct lxc_netdev *netdev = data;
 
        if (!netdev)
-               return -1;
+               return ret_errno(EINVAL);
 
-       free(netdev->ipv4_gateway);
-       netdev->ipv4_gateway = NULL;
+       free_disarm(netdev->ipv4_gateway);
 
        return 0;
 }