CVE-2024-46771 can: bcm: Remove proc entry when dev is unregistered.

In the Linux kernel, the following vulnerability has been resolved: can: bcm: Remove proc entry when dev is unregistered. syzkaller reported a warning in bcmconnect below. 0 The repro calls connect to vxcan1, removes vxcan1, and calls connect with ifindex == 0. Calling connect for a BCM socket...