iommu/arm-smmu: fix possible null-ptr-deref in armsmmudevice_probe()
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 v5.17.15 by commit 80776a71340f57d6a4952635fc89f0342072f3ca. For more details please see the references link.