Warnings before patch:
files: ['arch/x86/include/asm/iommu.h', 'drivers/iommu/intel/dmar.c', 'drivers/iommu/intel/iommu.h']
Warning: drivers/iommu/intel/dmar.c:568 No description found for return value of 'dmar_table_detect'
Warning: drivers/iommu/intel/dmar.c:635 No description found for return value of 'parse_dmar_table'
Warning: drivers/iommu/intel/dmar.c:964 No description found for return value of 'map_iommu'
Warning: drivers/iommu/intel/dmar.c:568 No description found for return value of 'dmar_table_detect'
Warning: drivers/iommu/intel/dmar.c:635 No description found for return value of 'parse_dmar_table'
Warning: drivers/iommu/intel/dmar.c:964 No description found for return value of 'map_iommu'

Current warnings:
files: ['arch/x86/include/asm/iommu.h', 'drivers/iommu/intel/dmar.c', 'drivers/iommu/intel/iommu.h']
Warning: drivers/iommu/intel/dmar.c:568 No description found for return value of 'dmar_table_detect'
Warning: drivers/iommu/intel/dmar.c:635 No description found for return value of 'parse_dmar_table'
Warning: drivers/iommu/intel/dmar.c:964 No description found for return value of 'map_iommu'
Warning: drivers/iommu/intel/dmar.c:568 No description found for return value of 'dmar_table_detect'
Warning: drivers/iommu/intel/dmar.c:635 No description found for return value of 'parse_dmar_table'
Warning: drivers/iommu/intel/dmar.c:964 No description found for return value of 'map_iommu'

Warnings before: 6 after: 6