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7ee08b9ef2
linux/drivers/iommu
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Suman Anna 7ee08b9ef2 iommu/omap: Fix error return paths in omap_iommu_attach() 
There are couple of issues with the error return paths in
omap_iommu_attach():
1. omap_iommu_attach() returns NULL or ERR_PTR in case of error,
   but omap_iommu_attach_dev() only checks for IS_ERR. Thus a NULL
   return value (in case driver_find_device fails) will cause the
   kernel to panic when omap_iommu_attach_dev() dereferences the
   pointer.
2. A try_module_get() failure returns a valid success value as
   returned from iommu_enable().

Both the above issues have been fixed up to return the proper
ERR_PTR.

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
2014-03-04 17:01:24 +01:00
..
amd_iommu_init.c ACPI: Clean up inclusions of ACPI header files 2013-12-07 01:03:14 +01:00
amd_iommu_proto.h perf/x86/amd: Add IOMMU Performance Counter resource management 2013-06-19 13:04:52 +02:00
amd_iommu_types.h perf/x86/amd: Add IOMMU Performance Counter resource management 2013-06-19 13:04:52 +02:00
amd_iommu_v2.c IOMMU Updates for Linux v3.6-rc1 2012-07-24 16:24:11 -07:00
amd_iommu.c iommu/amd: Use dev_is_pci() to check whether it is pci device 2014-01-07 15:21:32 +01:00
arm-smmu.c arm/smmu: Use irqsafe spinlock for domain lock 2014-02-20 13:04:47 +01:00
dmar.c iommu/vt-d, trivial: clean sparse warnings 2014-01-09 12:44:16 +01:00
exynos-iommu.c iommu/exynos: Remove dead code (set_prefbuf) 2013-08-14 11:28:45 +02:00
fsl_pamu_domain.c iommu/fsl_pamu: Use dev_is_pci() to check whether it is pci device 2014-01-07 15:23:08 +01:00
fsl_pamu_domain.h iommu/fsl: Freescale PAMU driver and iommu implementation. 2013-08-14 11:38:34 +02:00
fsl_pamu.c iommu/fsl: Remove unnecessary 'fsl-pamu' prefixes 2013-08-14 11:44:30 +02:00
fsl_pamu.h iommu/fsl: Freescale PAMU driver and iommu implementation. 2013-08-14 11:38:34 +02:00
intel_irq_remapping.c IOMMU Updates for Linux v3.14 2014-01-29 20:00:13 -08:00
intel-iommu.c IOMMU Updates for Linux v3.14 2014-01-29 20:00:13 -08:00
iommu-traces.c iommu: Add iommu_error class event to iommu trace 2013-09-25 11:07:04 +02:00
iommu.c Merge branches 'iommu/fixes', 'tracing', 'core', 'arm/tegra', 'x86/vt-d', 'arm/smmu' and 'arm/shmobile' into next 2013-11-01 14:44:25 +01:00
iova.c iommu: Fix typo in iommu 2012-07-24 12:58:49 +02:00
irq_remapping.c iommu/vt-d, trivial: clean sparse warnings 2014-01-09 12:44:16 +01:00
irq_remapping.h iommu/vt-d: add quirk for broken interrupt remapping on 55XX chipsets 2013-04-18 17:00:47 +02:00
Kconfig iommu: shmobile: Enable driver compilation with COMPILE_TEST 2014-01-07 15:10:11 +01:00
Makefile iommu: Add event tracing feature to iommu 2013-09-24 12:35:24 +02:00
msm_iommu_dev.c drivers/iommu: remove unnecessary platform_set_drvdata() 2013-09-11 15:56:24 -07:00
msm_iommu_hw-8xxx.h iommu/msm: Move mach includes to iommu directory 2013-08-06 11:18:03 -07:00
msm_iommu.c iommu/msm: Move mach includes to iommu directory 2013-08-06 11:18:03 -07:00
msm_iommu.h iommu/msm: Move mach includes to iommu directory 2013-08-06 11:18:03 -07:00
of_iommu.c iommu: add missing include 2014-01-07 15:16:27 +01:00
omap-iommu2.c iommu/omap: Adapt to runtime pm 2012-12-03 18:48:23 +01:00
omap-iommu-debug.c drivers/iommu/omap-iommu-debug.c: fix decimal permissions 2014-02-25 15:25:42 -08:00
omap-iommu.c iommu/omap: Fix error return paths in omap_iommu_attach() 2014-03-04 17:01:24 +01:00
omap-iommu.h iommu/omap: Adapt to runtime pm 2012-12-03 18:48:23 +01:00
omap-iopgtable.h drivers/iommu/omap-iopgtable.h: remove unneeded cast of void* 2013-11-13 12:09:00 +09:00
omap-iovmm.c iommu/omap: fix checkpatch warnings in omap iommu code 2013-06-20 16:53:26 +02:00
pci.h iommu: Move swap_pci_ref function to drivers/iommu/pci.h. 2013-04-23 14:55:00 +02:00
shmobile-iommu.c iommu/shmobile: Allocate archdata with kzalloc() 2014-01-07 15:35:25 +01:00
shmobile-ipmmu.c iommu/shmobile: Turn the flush_lock mutex into a spinlock 2014-01-07 15:35:25 +01:00
shmobile-ipmmu.h iommu/shmobile: Turn the flush_lock mutex into a spinlock 2014-01-07 15:35:25 +01:00
tegra-gart.c iommu/tegra-gart: Staticize tegra_gart_pm_ops 2013-11-01 14:23:20 +01:00
tegra-smmu.c iommu/tegra-smmu: Staticize tegra_smmu_pm_ops 2013-11-01 14:23:33 +01:00