journald: fix another bad memory access

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

diff --git a/src/libudev/libudev-queue.c b/src/libudev/libudev-queue.c
index 15a7f558b1dff40f74eaf66cfd90a52cae6fc0f8..1b3da39f83c150769c30e253ee900a7990787755 100644 (file)
--- a/src/libudev/libudev-queue.c
+++ b/src/libudev/libudev-queue.c
@@ -92,6 +92,8 @@ _public_ struct udev_queue *udev_queue_ref(struct udev_queue *udev_queue)
  *
  * Drop a reference of a udev queue context. If the refcount reaches zero,
  * the resources of the queue context will be released.
+ *
+ * Returns: the passed queue context if it has still an active reference, or #NULL otherwise.
  **/
 _public_ struct udev_queue *udev_queue_unref(struct udev_queue *udev_queue)
 {