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android_kernel_xiaomi_sm8450/drivers/iommu
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Xiyu Yang 43d1aaa196 iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation 
[ Upstream commit 7c8f176d6a3fa18aa0f8875da6f7c672ed2a8554 ]

The reference counting issue happens in several exception handling paths
of arm_smmu_iova_to_phys_hard(). When those error scenarios occur, the
function forgets to decrease the refcount of "smmu" increased by
arm_smmu_rpm_get(), causing a refcount leak.

Fix this issue by jumping to "out" label when those error scenarios
occur.

Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Reviewed-by: Rob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/1623293391-17261-1-git-send-email-xiyuyang19@fudan.edu.cn
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-20 16:05:43 +02:00
..
amd
iommu/amd: Fix extended features logging
2021-07-14 16:56:41 +02:00
arm
iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation
2021-07-20 16:05:43 +02:00
intel
iommu/vt-d: Use user privilege for RID2PASID translation
2021-06-03 09:00:49 +02:00
dma-iommu.c
iommu/dma: Fix compile warning in 32-bit builds
2021-07-14 16:56:55 +02:00
exynos-iommu.c
iommu/exynos: add missing put_device() call in exynos_iommu_of_xlate()
2020-09-24 10:48:29 +02:00
fsl_pamu_domain.c
iommu/pamu: Use dev_iommu_priv_get/set()
2020-06-30 11:59:48 +02:00
fsl_pamu_domain.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266
2019-06-05 17:30:28 +02:00
fsl_pamu.c
iommu/pamu: Replace use of kzfree with kfree_sensitive
2020-09-18 10:59:04 +02:00
fsl_pamu.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266
2019-06-05 17:30:28 +02:00
hyperv-iommu.c
x86_ioapic_Consolidate_IOAPIC_allocation
2020-09-16 16:52:32 +02:00
io-pgtable-arm-v7s.c
iommu: Add gfp parameter to io_pgtable_ops->map()
2020-07-24 14:29:47 +02:00
io-pgtable-arm.c
iommu/io-pgtable-arm: Support coherency for Mali LPAE
2021-02-07 15:37:12 +01:00
io-pgtable-arm.h
iommu/io-pgtable-arm: Move some definitions to a header
2020-09-28 23:48:06 +01:00
io-pgtable.c
iommu/io-pgtable-arm: Rationalise TCR handling
2020-01-10 15:52:24 +00:00
ioasid.c
iommu/ioasid: Add custom allocators
2019-10-15 13:34:25 +02:00
iommu-debugfs.c
iommu: Fix IOMMU debugfs fallout
2019-02-26 11:15:58 +01:00
iommu-sysfs.c
drivers/iommu: Export core IOMMU API symbols to permit modular drivers
2019-12-23 14:06:05 +01:00
iommu-traces.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iommu.c
iommu: Check dev->iommu in iommu_dev_xxx functions
2021-05-14 09:50:29 +02:00
iova.c
iommu/iova: Replace cmpxchg with xchg in queue_iova
2020-09-04 12:11:06 +02:00
ipmmu-vmsa.c
Merge tag 'iommu-updates-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
2020-08-11 14:13:24 -07:00
irq_remapping.c
iommu/irq_remapping: Consolidate irq domain lookup
2020-09-16 16:52:30 +02:00
irq_remapping.h
iommu/irq_remapping: Consolidate irq domain lookup
2020-09-16 16:52:30 +02:00
Kconfig
Merge branches 'arm/allwinner', 'arm/mediatek', 'arm/renesas', 'arm/tegra', 'arm/qcom', 'arm/smmu', 'ppc/pamu', 'x86/amd', 'x86/vt-d' and 'core' into next
2020-10-07 11:51:59 +02:00
Makefile
Merge tag 'arm-smmu-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into next
2020-07-29 14:47:37 +02:00
msm_iommu_hw-8xxx.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267
2019-06-05 17:30:29 +02:00
msm_iommu.c
iommu: Add gfp parameter to io_pgtable_ops->map()
2020-07-24 14:29:47 +02:00
msm_iommu.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267
2019-06-05 17:30:29 +02:00
mtk_iommu_v1.c
iommu/mediatek: Do no use dev->archdata.iommu
2020-06-30 11:59:48 +02:00
mtk_iommu.c
iommu: Switch gather->end to the inclusive end
2021-03-04 11:38:01 +01:00
mtk_iommu.h
iommu/mediatek: Add support for MT8167
2020-09-18 10:29:12 +02:00
of_iommu.c
of/device: Add input id to of_dma_configure()
2020-07-28 15:51:32 +01:00
omap-iommu-debug.c
iommu/omap: Check for failure of a call to omap_iommu_dump_ctx
2020-07-22 15:02:33 +02:00
omap-iommu.c
Merge branches 'arm/renesas', 'arm/qcom', 'arm/mediatek', 'arm/omap', 'arm/exynos', 'arm/smmu', 'ppc/pamu', 'x86/vt-d', 'x86/amd' and 'core' into next
2020-07-29 14:42:00 +02:00
omap-iommu.h
iommu/omap: add support for late attachment of iommu devices
2019-08-09 17:37:10 +02:00
omap-iopgtable.h
iommu/omap: Fix -Woverflow warnings when compiling on 64-bit architectures
2020-03-04 16:24:46 +01:00
rockchip-iommu.c
iommu/rockchip: Use dev_iommu_priv_get/set()
2020-06-30 11:59:48 +02:00
s390-iommu.c
Merge tag 's390-5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2020-06-08 12:05:31 -07:00
sun50i-iommu.c
iommu/sun50i: Fix set-but-not-used variable warning
2020-09-04 13:39:45 +02:00
tegra-gart.c
iommu/tegra: Use dev_iommu_priv_get/set()
2020-06-30 11:59:48 +02:00
tegra-smmu.c
iommu/tegra-smmu: Allow to group clients in same swgroup
2020-09-24 12:32:32 +02:00
virtio-iommu.c
iommu/virtio: Add missing MODULE_DEVICE_TABLE
2021-06-03 09:00:49 +02:00