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KVM: Silence underflow warning in avic_get_physical_id_entry()

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Smatch complains that we check cap the upper bound of "index" but don't
check for negatives.  It's a false positive because "index" is never
negative.  But it's also simple enough to make it unsigned which makes
the code easier to audit.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
This commit is contained in:
Dan Carpenter 2017-05-18 10:38:53 +03:00 committed by Radim Krčmář
parent 55c315ee09
commit d3e7dec054
1 changed files with 2 additions and 1 deletions
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arch/x86/kvm/svm.c
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@ -1272,7 +1272,8 @@ static void init_vmcb(struct vcpu_svm *svm)
}
static u64 *avic_get_physical_id_entry(struct kvm_vcpu *vcpu, int index)
static u64 *avic_get_physical_id_entry(struct kvm_vcpu *vcpu,
unsigned int index)
{
u64 *avic_physical_id_table;
struct kvm_arch *vm_data = &vcpu->kvm->arch;