perf: armdsu: Fix hotplug callback leak in dsupmu_init()
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 v5.15.86 by commit 9285b623bbe142c237083a5d2f1e50f2ecdeec48, it was introduced in version v4.16 by commit 7520fa99246dade7ab6dde1573a146beed632abd. For more details please see the references link.