confile: cleanup get_config_net_vlan_id()

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

diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index 3d7a54ee6ed5f0ddcaf1d713f23973981030709f..c15934812d8f736b14b25989ec137a9172347d5f 100644 (file)
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -5975,7 +5975,7 @@ static int get_config_net_vlan_id(const char *key, char *retv, int inlen,
                memset(retv, 0, inlen);
 
        if (!netdev)
-               return -1;
+               return ret_errno(EINVAL);
 
        if (netdev->type != LXC_NET_VLAN)
                return 0;