iommu: Initialize domain->handler in iommu_domain_alloc()
Since it is not guaranteed that an iommu driver initializes in its domain_init() function, it must be initialized with NULL to prevent calling a function in an arbitrary location when iommu fault occurred. Signed-off-by: KyongHo Cho <pullip.cho@samsung.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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8bd6960c6a
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@ -90,7 +90,7 @@ struct iommu_domain *iommu_domain_alloc(struct bus_type *bus)
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if (bus == NULL || bus->iommu_ops == NULL)
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return NULL;
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domain = kmalloc(sizeof(*domain), GFP_KERNEL);
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domain = kzalloc(sizeof(*domain), GFP_KERNEL);
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if (!domain)
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return NULL;
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