tee: amdtee: fix an IS_ERR() vs NULL bug
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 v5.15.11 by commit 832f3655c6138c23576ed268e31cc76e0f05f2b1, it was introduced in version v5.6 by commit 757cc3e9ff1d72d014096399d6e2bf03974d9da1. For more details please see the references link.