GSD-2022-1000194 rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev

rpmsg: char: Fix race between the release of rpmsgctrldev 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 v5.10.96 by commit...