confile_utils: cleanup lxc_ipvlan_flag_to_isolation()

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

diff --git a/src/lxc/confile_utils.c b/src/lxc/confile_utils.c
index 717852ff2c444bfc4fd20aad456616136263a534..f0358eb0df5cca2ad5bfc2d1725cca1fb1686915 100644 (file)
--- a/src/lxc/confile_utils.c
+++ b/src/lxc/confile_utils.c
@@ -620,7 +620,7 @@ char *lxc_ipvlan_flag_to_isolation(int flag)
                return ipvlan_isolation[i].name;
        }
 
-       return NULL;
+       return ret_set_errno(NULL, EINVAL);
 }
 
 int set_config_string_item(char **conf_item, const char *value)