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linux/drivers/iommu
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Robin Murphy 392bf51946 iommu: Make sysfs robust for non-API groups 
Groups created by VFIO backends outside the core IOMMU API should never
be passed directly into the API itself, however they still expose their
standard sysfs attributes, so we can still stumble across them that way.
Take care to consider those cases before jumping into our normal
assumptions of a fully-initialised core API group.

Fixes: 3f6634d997 ("iommu: Use right way to retrieve iommu_ops")
Reported-by: Jan Stancek <jstancek@redhat.com>
Tested-by: Jan Stancek <jstancek@redhat.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/86ada41986988511a8424e84746dfe9ba7f87573.1651667683.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2022-05-04 15:13:39 +02:00
..
amd Merge branches 'arm/mediatek', 'arm/msm', 'arm/renesas', 'arm/rockchip', 'arm/smmu', 'x86/vt-d' and 'x86/amd' into next 2022-03-08 12:21:31 +01:00
arm iommu: arm-smmu: disable large page mappings for Nvidia arm-smmu 2022-04-22 11:21:30 +01:00
intel iommu/vt-d: Drop stop marker messages 2022-04-28 11:01:53 +02:00
apple-dart.c iommu/dart: Add missing module owner to ops structure 2022-05-04 10:36:25 +02:00
dma-iommu.c dma-mapping updates for Linux 5.18 2022-03-29 08:50:14 -07:00
exynos-iommu.c iommu: Split struct iommu_ops 2022-02-28 13:25:49 +01:00
fsl_pamu_domain.c iommu: Split struct iommu_ops 2022-02-28 13:25:49 +01:00
fsl_pamu_domain.h
fsl_pamu.c
fsl_pamu.h
hyperv-iommu.c
io-pgfault.c
io-pgtable-arm-v7s.c iommu/io-pgtable-arm-v7s: Add error handle for page table allocation failure 2021-12-14 14:45:35 +00:00
io-pgtable-arm.c iommu/io-pgtable-arm: Fix table descriptor paddr formatting 2021-12-06 13:03:01 +01:00
io-pgtable-arm.h
io-pgtable.c iommu/io-pgtable: Add DART pagetable format 2021-08-12 13:15:02 +02:00
ioasid.c iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit 2022-02-15 11:31:35 +01:00
iommu-debugfs.c
iommu-sva-lib.c iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit 2022-02-15 11:31:35 +01:00
iommu-sva-lib.h iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit 2022-02-15 11:31:35 +01:00
iommu-sysfs.c
iommu-traces.c
iommu.c iommu: Make sysfs robust for non-API groups 2022-05-04 15:13:39 +02:00
iova.c iommu/iova: Improve 32-bit free space estimate 2022-03-04 10:40:40 +01:00
ipmmu-vmsa.c Merge branches 'arm/mediatek', 'arm/msm', 'arm/renesas', 'arm/rockchip', 'arm/smmu', 'x86/vt-d' and 'x86/amd' into next 2022-03-08 12:21:31 +01:00
irq_remapping.c
irq_remapping.h
Kconfig iommu/sva: Rename CONFIG_IOMMU_SVA_LIB to CONFIG_IOMMU_SVA 2022-02-14 19:17:46 +01:00
Makefile iommu/sva: Rename CONFIG_IOMMU_SVA_LIB to CONFIG_IOMMU_SVA 2022-02-14 19:17:46 +01:00
msm_iommu_hw-8xxx.h
msm_iommu.c Merge branches 'arm/mediatek', 'arm/msm', 'arm/renesas', 'arm/rockchip', 'arm/smmu', 'x86/vt-d' and 'x86/amd' into next 2022-03-08 12:21:31 +01:00
msm_iommu.h
mtk_iommu_v1.c Driver core changes for 5.18-rc1 2022-03-28 12:41:28 -07:00
mtk_iommu.c Driver core changes for 5.18-rc1 2022-03-28 12:41:28 -07:00
mtk_iommu.h iommu/mediatek: Make use of the helper component_compare/release_of 2022-02-25 12:16:13 +01:00
of_iommu.c iommu: Remove unused of_get_dma_window() 2021-06-08 14:15:46 +02:00
omap-iommu-debug.c
omap-iommu.c iommu/omap: Fix regression in probe for NULL pointer dereference 2022-04-08 11:16:29 +02:00
omap-iommu.h
omap-iopgtable.h
rockchip-iommu.c Merge branches 'arm/mediatek', 'arm/msm', 'arm/renesas', 'arm/rockchip', 'arm/smmu', 'x86/vt-d' and 'x86/amd' into next 2022-03-08 12:21:31 +01:00
s390-iommu.c iommu: Split struct iommu_ops 2022-02-28 13:25:49 +01:00
sprd-iommu.c iommu: Split struct iommu_ops 2022-02-28 13:25:49 +01:00
sun50i-iommu.c iommu: Split struct iommu_ops 2022-02-28 13:25:49 +01:00
tegra-gart.c iommu: Split struct iommu_ops 2022-02-28 13:25:49 +01:00
tegra-smmu.c Merge branches 'arm/mediatek', 'arm/msm', 'arm/renesas', 'arm/rockchip', 'arm/smmu', 'x86/vt-d' and 'x86/amd' into next 2022-03-08 12:21:31 +01:00
virtio-iommu.c iommu: Split struct iommu_ops 2022-02-28 13:25:49 +01:00