Linux kernel bug fix: powerpc/dma: Fix dma_map_ops::get_required_mask
Subsystem: arch/powerpc (arch/powerpc/kernel/dma-iommu.c)
Bug type: double-free, severity: unknown
Keywords: double free
Files changed: arch/powerpc/kernel/dma-iommu.c
Introduced by Milton Miller on 2011-09-01 16:00:19 +1000; fixed by Alexey Kardashevskiy on 2020-09-08 14:20:55 +1000 (lifetime: 3294 days)