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-rw-r--r--src/libudev/libudev-monitor.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c
index 96506fe580..566e9761aa 100644
--- a/src/libudev/libudev-monitor.c
+++ b/src/libudev/libudev-monitor.c
@@ -400,6 +400,7 @@ _public_ struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor
* the bound socket will be closed, and the resources of the monitor
* will be released.
*
+ * Returns: the passed udev monitor if it has still an active reference, or #NULL otherwise.
**/
_public_ struct udev_monitor *udev_monitor_unref(struct udev_monitor *udev_monitor)
{