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-rw-r--r--arch/arm/kvm/mmu.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index cba52cf6ed3f..3535480e0e6b 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -1439,8 +1439,10 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
if (vma->vm_flags & VM_PFNMAP) {
gpa_t gpa = mem->guest_phys_addr +
(vm_start - mem->userspace_addr);
- phys_addr_t pa = (vma->vm_pgoff << PAGE_SHIFT) +
- vm_start - vma->vm_start;
+ phys_addr_t pa;
+
+ pa = (phys_addr_t)vma->vm_pgoff << PAGE_SHIFT;
+ pa += vm_start - vma->vm_start;
ret = kvm_phys_addr_ioremap(kvm, gpa, pa,
vm_end - vm_start,