confile_utils: cleanup lxc_get_netdev_by_idx()

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

diff --git a/src/lxc/confile_utils.c b/src/lxc/confile_utils.c
index a90658b0786c7bbe757b7b50c246dc454c5050f7..531e2eaf88a8658787624b9bfafffb18d3ffa521 100644 (file)
--- a/src/lxc/confile_utils.c
+++ b/src/lxc/confile_utils.c
@@ -214,7 +214,7 @@ struct lxc_netdev *lxc_get_netdev_by_idx(struct lxc_conf *conf,
        }
 
        if (!allocate)
-               return NULL;
+               return ret_set_errno(NULL, EINVAL);
 
        return lxc_network_add(insert, idx, true);
 }