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 v5.4.225 by commit afab4655750fcb3fca359bc7d7214e3d634cdf9c, it was introduced in version v5.4.110 by commit 4ac1feff6ea6495cbfd336f4438a6c6d140544a6. For more details please see the references link.