can: afcan: fix NULL pointer dereference in canrx_register()
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 v5.15.79 by commit 261178a1c2623077d62e374a75c195e6c99a6f05, it was introduced in version v5.12 by commit 4e096a18867a5a989b510f6999d9c6b6622e8f7b. For more details please see the references link.