netsched: fix NULL deref in fifoset_limit()
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 v5.10.73 by commit acff2d182c0768a713cee77442caeb07668bd68f, it was introduced in version v2.6.27 by commit fb0305ce1b03f6ff17f84f2c63daccecb45f2805. For more details please see the references link.