dmaengine: idxd: Fix the error handling path in idxdcdevregister()
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 v5.15.46 by commit b3c7b5d08e9d5b2ff31c03078c00ecf11042419f, it was introduced in version v5.6 by commit 42d279f9137ab7d5503836baec2739284b278d8f. For more details please see the references link.