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amd-iommu: fix an off-by-one error in the AMD IOMMU driver.
[GitHub/mt8127/android_kernel_alcatel_ttab.git]
/
arch
/
x86
/
kernel
/
amd_iommu_init.c
diff --git
a/arch/x86/kernel/amd_iommu_init.c
b/arch/x86/kernel/amd_iommu_init.c
index 8c0be0902dacb2cc4e766cbe851891bd889f08e7..35fc9654c7a8bb81c9c3bd731f2f1960dda3d1e8 100644
(file)
--- a/
arch/x86/kernel/amd_iommu_init.c
+++ b/
arch/x86/kernel/amd_iommu_init.c
@@
-175,7
+175,7
@@
static inline void update_last_devid(u16 devid)
static inline unsigned long tbl_size(int entry_size)
{
unsigned shift = PAGE_SHIFT +
- get_order(
amd_iommu_last_bdf
* entry_size);
+ get_order(
((int)amd_iommu_last_bdf + 1)
* entry_size);
return 1UL << shift;
}