KVM: x86: remove dead initialization

bonzini · bonzini · commit ffbe17cadaf5 · 2021-08-13T03:20:18.000-04:00
hv_vcpu is initialized again a dozen lines below, and at this
point vcpu-&gt;arch.hyperv is not valid.  Remove the initializer.

Reported-by: kernel test robot &lt;lkp@intel.com&gt;
Reviewed-by: Sean Christopherson &lt;seanjc@google.com&gt;
Signed-off-by: Paolo Bonzini &lt;pbonzini@redhat.com&gt;
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
@@ -1933,7 +1933,7 @@ static u64 kvm_hv_send_ipi(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc, bool
 void kvm_hv_set_cpuid(struct kvm_vcpu *vcpu)
 {
 	struct kvm_cpuid_entry2 *entry;
-	struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu);
+	struct kvm_vcpu_hv *hv_vcpu;
 
 	entry = kvm_find_cpuid_entry(vcpu, HYPERV_CPUID_INTERFACE, 0);
 	if (entry && entry->eax == HYPERV_CPUID_SIGNATURE_EAX) {

Original file line number	Diff line number	Diff line change
`@@ -1933,7 +1933,7 @@ static u64 kvm_hv_send_ipi(struct kvm_vcpu vcpu, struct kvm_hv_hcall hc, bool`
`1933`	`1933`	`void kvm_hv_set_cpuid(struct kvm_vcpu *vcpu)`
`1934`	`1934`	`{`
`1935`	`1935`	`struct kvm_cpuid_entry2 *entry;`
`1936`		`- struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu);`
	`1936`	`+ struct kvm_vcpu_hv *hv_vcpu;`
`1937`	`1937`
`1938`	`1938`	`entry = kvm_find_cpuid_entry(vcpu, HYPERV_CPUID_INTERFACE, 0);`
`1939`	`1939`	`if (entry && entry->eax == HYPERV_CPUID_SIGNATURE_EAX) {`