udev: update docs, NEWS

[elogind.git] / src / libudev / libudev.c

diff --git a/src/libudev/libudev.c b/src/libudev/libudev.c
index 5b754a22a4de44faa3c35fb24d1f36c0e76d0eef..07a24d5c3c61bdfc93a98801d50ff097f966f81c 100644 (file)
--- a/src/libudev/libudev.c
+++ b/src/libudev/libudev.c
@@ -221,6 +221,7 @@ _public_ struct udev *udev_ref(struct udev *udev)
  * Drop a reference of the udev library context. If the refcount
  * reaches zero, the resources of the context will be released.
  *
+ * Returns: the passed udev library context if it has still an active reference, or #NULL otherwise.
  **/
 _public_ struct udev *udev_unref(struct udev *udev)
 {