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iommu: Initialize domain->handler in iommu_domain_alloc()

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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>
This commit is contained in:
KyongHo Cho 2011-12-16 21:38:25 +09:00 committed by Joerg Roedel
parent b2c1639135
commit 8bd6960c6a
1 changed files with 1 additions and 1 deletions
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drivers/iommu/iommu.c
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@ -90,7 +90,7 @@ struct iommu_domain *iommu_domain_alloc(struct bus_type *bus)
if (bus == NULL || bus->iommu_ops == NULL)
return NULL;
domain = kmalloc(sizeof(*domain), GFP_KERNEL);
domain = kzalloc(sizeof(*domain), GFP_KERNEL);
if (!domain)
return NULL;