confile_utils: cleanup lxc_ipvlan_flag_to_mode()

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

diff --git a/src/lxc/confile_utils.c b/src/lxc/confile_utils.c
index 1343237930a0be2c4813e3ac4a9fd48c3c8a71a4..6f81224439091e5d8076b0a7590e5f0a29939c7d 100644 (file)
--- a/src/lxc/confile_utils.c
+++ b/src/lxc/confile_utils.c
@@ -586,7 +586,7 @@ char *lxc_ipvlan_flag_to_mode(int mode)
                return ipvlan_mode[i].name;
        }
 
-       return NULL;
+       return ret_set_errno(NULL, EINVAL);
 }
 
 static struct lxc_ipvlan_isolation {