kernel/irq/irqdomain.c: fix memory leak with using debugfs_lookup()
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 v5.15.93 by commit 066ecbf1a53eb0b92b10c8df7808666be6ea5681. For more details please see the references link.