btrfs: fix possible memory leak in btrfsgetdevargsfrom_path()
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 v5.15.64 by commit 5f52402c77013e4a826394b807dd5ea4dc83bd72, it was introduced in version v5.15.54 by commit 321a81835b4aed4f717f89921286f6544ffa8be9. For more details please see the references link.