GSD-2022-1002326 ubi: Fix race condition between ctrl_cdev_ioctl and ubi_cdev_ioctl

ubi: Fix race condition between ctrlcdevioctl and ubicdevioctl This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.238 by commit...