udev_ctrl_cleanup()- accept NULL as argument

diff --git a/udev/udev-ctrl.c b/udev/udev-ctrl.c
index 4bca807b6956fad7750df9d3098d577c506e7cad..e4348c314d4b2632cf2e755072daee547aae608e 100644 (file)
--- a/udev/udev-ctrl.c
+++ b/udev/udev-ctrl.c
@@ -162,6 +162,8 @@ struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl)
 
 int udev_ctrl_cleanup(struct udev_ctrl *uctrl)
 {
+       if (uctrl == NULL)
+               return 0;
        if (uctrl->cleanup_socket)
                unlink(uctrl->saddr.sun_path);
        return 0;
@@ -170,7 +172,7 @@ int udev_ctrl_cleanup(struct udev_ctrl *uctrl)
 int udev_ctrl_get_fd(struct udev_ctrl *uctrl)
 {
        if (uctrl == NULL)
-               return -1;
+               return -EINVAL;
        return uctrl->sock;
 }