rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev
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 v5.15.19 by commit 85aba11a8ea92a8eef2de95ebbe063086fd62d9c, it was introduced in version v4.11 by commit c0cdc19f84a4712cf74888f83af286e3c2e14efd. For more details please see the references link.