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-rw-r--r--libnm-core/nm-setting-wired.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libnm-core/nm-setting-wired.c b/libnm-core/nm-setting-wired.c
index fcd8e837..5569f558 100644
--- a/libnm-core/nm-setting-wired.c
+++ b/libnm-core/nm-setting-wired.c
@@ -565,10 +565,12 @@ nm_setting_wired_remove_s390_option (NMSettingWired *setting,
 
 /**
  * nm_setting_wired_get_valid_s390_options:
- * @setting: the #NMSettingWired
+ * @setting: (allow-none): the #NMSettingWired
  *
  * Returns a list of valid s390 options.
  *
+ * The @setting argument is unused and %NULL may be passed instead.
+ *
  * Returns: (transfer none): a %NULL-terminated array of strings of valid s390 options.
  **/
 const char **