* Drop a reference of a hwdb context. If the refcount reaches zero,
* all resources of the hwdb context will be released.
*
- * Returns: the passed hwdb context if it has still an active reference, or #NULL otherwise.
+ * Returns: #NULL
**/
_public_ struct udev_hwdb *udev_hwdb_unref(struct udev_hwdb *hwdb) {
if (!hwdb)
return NULL;
hwdb->refcount--;
if (hwdb->refcount > 0)
- return hwdb;
+ return NULL;
if (hwdb->map)
munmap((void *)hwdb->map, hwdb->st.st_size);
if (hwdb->f)