[PATCH 1/2] KVM: x86: Fix probable memory leak of vcpu->arch.mce_banks

[Wei Yongjun <yjwei@cn.fujitsu.com>]

vcpu->arch.mce_banks is malloc in kvm_arch_vcpu_init(), but
never free in any place, this may cause memory leak. So this
patch fixed to free it in kvm_arch_vcpu_uninit().

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
---
 arch/x86/kvm/x86.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f25b52e..1ddcad4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5089,6 +5089,7 @@ fail:
 
 void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
 {
+	kfree(vcpu->arch.mce_banks);
 	kvm_free_lapic(vcpu);
 	down_read(&vcpu->kvm->slots_lock);
 	kvm_mmu_destroy(vcpu);
-- 
1.6.2.2