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-rw-r--r--drivers/iommu/intel-iommu.c5
-rw-r--r--drivers/iommu/iommu.c2
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index a004c39..bdc447f 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -405,6 +405,9 @@ int dmar_disabled = 0;
int dmar_disabled = 1;
#endif /*CONFIG_INTEL_IOMMU_DEFAULT_ON*/
+int intel_iommu_enabled = 0;
+EXPORT_SYMBOL_GPL(intel_iommu_enabled);
+
static int dmar_map_gfx = 1;
static int dmar_forcedac;
static int intel_iommu_strict;
@@ -3647,6 +3650,8 @@ int __init intel_iommu_init(void)
bus_register_notifier(&pci_bus_type, &device_nb);
+ intel_iommu_enabled = 1;
+
return 0;
}
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 2fb2963..5b5fa5c 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -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;