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7ee08b9ef2
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> |
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| .. | ||
| amd_iommu_init.c | ||
| amd_iommu_proto.h | ||
| amd_iommu_types.h | ||
| amd_iommu_v2.c | ||
| amd_iommu.c | ||
| arm-smmu.c | ||
| dmar.c | ||
| exynos-iommu.c | ||
| fsl_pamu_domain.c | ||
| fsl_pamu_domain.h | ||
| fsl_pamu.c | ||
| fsl_pamu.h | ||
| intel_irq_remapping.c | ||
| intel-iommu.c | ||
| iommu-traces.c | ||
| iommu.c | ||
| iova.c | ||
| irq_remapping.c | ||
| irq_remapping.h | ||
| Kconfig | ||
| Makefile | ||
| msm_iommu_dev.c | ||
| msm_iommu_hw-8xxx.h | ||
| msm_iommu.c | ||
| msm_iommu.h | ||
| of_iommu.c | ||
| omap-iommu2.c | ||
| omap-iommu-debug.c | ||
| omap-iommu.c | ||
| omap-iommu.h | ||
| omap-iopgtable.h | ||
| omap-iovmm.c | ||
| pci.h | ||
| shmobile-iommu.c | ||
| shmobile-ipmmu.c | ||
| shmobile-ipmmu.h | ||
| tegra-gart.c | ||
| tegra-smmu.c | ||