udev: guard REREADP logic with open(O_ECXL)

2014-06-04 14:09:31 +02:00
parent ede344452a
commit 10fab50a30
1 changed files with 1 additions and 1 deletions
@@ -754,7 +754,7 @@ static int synthesize_change(struct udev_device *dev) {
                 * 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);