David Woodhouse 26322ab55a iommu/vt-d: Fix NULL pointer dereference in page request error case ...

Dan Carpenter pointed out an error path which could lead to us
dereferencing the 'svm' pointer after we know it to be NULL because the
PASID lookup failed. Fix that, and make it less likely to happen again.

Fixes: a222a7f0bb6c ('iommu/vt-d: Implement page request handling')
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

2015-10-15 21:16:22 +01:00

..

amd_iommu_init.c

iommu/amd: Make a symbol static

2015-08-13 19:49:10 +02:00

amd_iommu_proto.h

IOMMU Updates for Linux v4.2

2015-06-23 18:27:19 -07:00

amd_iommu_types.h

IOMMU Updates for Linux v4.2

2015-06-23 18:27:19 -07:00

amd_iommu_v2.c

iommu/amd: Use BUG_ON instead of if () BUG()

2015-08-13 19:49:14 +02:00

amd_iommu.c

iommu/amd: Use BUG_ON instead of if () BUG()

2015-08-13 19:49:14 +02:00

arm-smmu-v3.c

iommu/arm-smmu: Remove arm_smmu_flush_pgtable()

2015-08-06 14:35:40 +01:00

arm-smmu.c

iommu/arm-smmu: Remove arm_smmu_flush_pgtable()

2015-08-06 14:35:40 +01:00

dmar.c

iommu/vt-d: Generalise DMAR MSI setup to allow for page request events

2015-10-15 13:22:41 +01:00

exynos-iommu.c

iommu/exynos: Add callback for initializing devices from device tree

2015-05-29 10:50:08 +02:00

fsl_pamu_domain.c

iommu/fsl: Make use of domain_alloc and domain_free

2015-03-31 15:32:14 +02:00

fsl_pamu_domain.h

iommu/fsl: Make use of domain_alloc and domain_free

2015-03-31 15:32:14 +02:00

fsl_pamu.c

iommu/fsl: Really fix init section(s) content

2015-08-18 11:30:46 +02:00

fsl_pamu.h

iommu/fsl: Various cleanups

2015-02-03 18:47:18 +01:00

intel_irq_remapping.c

iommu/vt-d: Access iomem correctly

2015-08-13 19:49:56 +02:00

intel-iommu.c

iommu/vt-d: Implement page request handling

2015-10-15 15:35:19 +01:00

intel-svm.c

iommu/vt-d: Fix NULL pointer dereference in page request error case

2015-10-15 21:16:22 +01:00

io-pgtable-arm.c

iommu/io-pgtable-arm: Unmap and free table when overwriting with block

2015-08-18 11:27:36 +02:00

io-pgtable.c

iommu/io-pgtable-arm: Move init-fn declarations to io-pgtable.h

2015-08-13 19:51:04 +02:00

io-pgtable.h

iommu/io-pgtable-arm: Move init-fn declarations to io-pgtable.h

2015-08-13 19:51:04 +02:00

iommu-sysfs.c

iommu: Fix compile error in iommu-sysfs.c

2014-07-07 12:01:21 +02:00

iommu-traces.c

…

iommu.c

scatterlist: use sg_phys()

2015-08-17 08:13:26 -06:00

iova.c

iommu: Make the iova library a module

2015-07-28 15:48:01 +01:00

ipmmu-vmsa.c

iommu/ipmmu-vmsa: Clean up DMA API usage

2015-08-06 14:35:39 +01:00

irq_remapping.c

iommu/vt-d: Return false instead of 0 in irq_remapping_cap()

2015-08-13 19:49:41 +02:00

irq_remapping.h

iommu, x86: Setup Posted-Interrupts capability for Intel iommu

2015-06-12 11:33:52 +02:00

Kconfig

iommu/vt-d: Add basic SVM PASID support

2015-10-15 12:55:45 +01:00

Makefile

iommu/vt-d: Add initial support for PASID tables

2015-10-15 11:24:51 +01:00

msm_iommu_dev.c

iommu/msm: Use dev_get_platdata()

2014-11-04 15:03:39 +01:00

msm_iommu_hw-8xxx.h

…

msm_iommu.c

iommu/msm: Use BUG_ON instead of if () BUG()

2015-08-13 19:50:51 +02:00

msm_iommu.h

…

of_iommu.c

of: iommu: Silence misleading warning

2015-08-03 16:07:49 +02:00

omap-iommu-debug.c

fs/seq_file: convert int seq_vprint/seq_printf/etc... returns to void

2015-09-11 15:21:34 -07:00

omap-iommu.c

iommu/omap: Align code with open parenthesis

2015-08-03 16:04:43 +02:00

omap-iommu.h

iommu/omap: Use BIT(x) macros in omap-iommu.h

2015-08-03 16:04:42 +02:00

omap-iopgtable.h

iommu/omap: Use BIT(x) macros in omap-iopgtable.h

2015-08-03 16:04:42 +02:00

rockchip-iommu.c

Merge branches 'arm/rockchip', 'arm/exynos', 'arm/smmu', 'x86/vt-d', 'x86/amd', 'default-domains' and 'core' into next

2015-06-19 17:17:47 +02:00

shmobile-iommu.c

iommu/shmobile: Make use of domain_alloc and domain_free

2015-03-31 15:32:13 +02:00

shmobile-ipmmu.c

iommu: drop owner assignment from platform_drivers

2014-10-20 16:20:42 +02:00

shmobile-ipmmu.h

…

tegra-gart.c

Merge branches 'iommu/fixes', 'x86/vt-d', 'x86/amd', 'arm/smmu', 'arm/tegra' and 'core' into next

2015-04-02 13:33:19 +02:00

tegra-smmu.c

iommu/tegra-smmu: Parameterize number of TLB lines

2015-08-13 17:05:28 +02:00