From 29282732bd7d78d90713ee56f8bac71777362ef2 Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay.sievers@vrfy.org>
Date: Mon, 10 Oct 2011 02:30:42 +0200
Subject: [PATCH] udev_ctrl_cleanup()- accept NULL as argument

---
 udev/udev-ctrl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/udev/udev-ctrl.c b/udev/udev-ctrl.c
index 4bca807b6..e4348c314 100644
--- 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;
 }
 
-- 
2.30.2