tipc: fix a null-ptr-deref in tipctopsrvaccept
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 v5.15.77 by commit 7a939503fc32bff4ed60800b73ff7fbb4aea2142, it was introduced in version v4.17 by commit 0ef897be12b8b4cf297b6016e79ec97ec90f2cf6. For more details please see the references link.