[PATCH 4.9 65/86] ubi: Fix race condition between ubi volume creation and udev

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Clay McClure commit a51a0c8d213594bc094cb8e54aad0cb6d7f7b9a6 upstream. Similar to commit 714fb87e8bc0 ("ubi: Fix race condition between ubi device creation and udev"), we

[PATCH 4.9 65/86] ubi: Fix race condition between ubi volume creation and udev

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Clay McClure commit a51a0c8d213594bc094cb8e54aad0cb6d7f7b9a6 upstream. Similar to commit 714fb87e8bc0 ("ubi: Fix race condition between ubi device creation and udev"), we should make the