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-rw-r--r--include/linux/kvm_host.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 2911919..a754fc0 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -472,6 +472,11 @@ static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)
struct kvm_vcpu *vcpu;
int i;
+ if (id < 0 || id >= KVM_MAX_VCPUS)
+ return NULL;
+ vcpu = kvm_get_vcpu(kvm, id);
+ if (vcpu && vcpu->vcpu_id == id)
+ return vcpu;
kvm_for_each_vcpu(i, vcpu, kvm)
if (vcpu->vcpu_id == id)
return vcpu;
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