From 10fab50a3091e0b819c3ddab5a7c07acf750c050 Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay@vrfy.org>
Date: Wed, 4 Jun 2014 14:09:31 +0200
Subject: [PATCH] udev: guard REREADP logic with open(O_ECXL)

Signed-off-by: Robert Milasan <rmilasan@suse.com>
---
 src/udev/udevd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: systemd-210/src/udev/udevd.c
===================================================================
--- systemd-210.orig/src/udev/udevd.c
+++ systemd-210/src/udev/udevd.c
@@ -757,7 +757,7 @@ static int synthesize_change(struct udev
                  * The kernel will send out a change event for the disk, and
                  * "remove/add" for all partitions.
                  */
-                fd = open(udev_device_get_devnode(dev), O_RDONLY|O_CLOEXEC|O_NOFOLLOW|O_NONBLOCK);
+                fd = open(udev_device_get_devnode(dev), O_RDONLY|O_EXCL|O_CLOEXEC|O_NOFOLLOW|O_NONBLOCK);
                 if (fd >= 0) {
                         r = ioctl(fd, BLKRRPART, 0);
                         close(fd);
