drm/etnaviv: check for reaped mapping in etnaviv_iommu_unmap_gem
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 03bd455a79f69d97fee3e3b212ab754442f10e5c. For more details please see the references link.