kvm: x86: cpuid: remove the unnecessary variable

The use of local variable *function* is not necessary here. Remove
it to avoid compiling warning with -Wunused-but-set-variable option.

Signed-off-by: Jiang Biao <jiang.biao2@zte.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index afa7bbb596cd..568041397581 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -865,9 +865,9 @@ EXPORT_SYMBOL_GPL(kvm_cpuid);
 
 void kvm_emulate_cpuid(struct kvm_vcpu *vcpu)
 {
-        u32 function, eax, ebx, ecx, edx;
+        u32 eax, ebx, ecx, edx;
 
-        function = eax = kvm_register_read(vcpu, VCPU_REGS_RAX);
+        eax = kvm_register_read(vcpu, VCPU_REGS_RAX);
         ecx = kvm_register_read(vcpu, VCPU_REGS_RCX);
         kvm_cpuid(vcpu, &eax, &ebx, &ecx, &edx);
         kvm_register_write(vcpu, VCPU_REGS_RAX, eax);