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KVM: x86: Fix leak of free lapic date in kvm_arch_vcpu_init()

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In function kvm_arch_vcpu_init(), if the memory malloc for
vcpu->arch.mce_banks is fail, it does not free the memory
of lapic date. This patch fixed it.

Cc: stable@kernel.org
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Wei Yongjun
2010-01-22 14:21:29 +08:00
committed by Marcelo Tosatti
parent 36cb93fd6b
commit 443c39bc9e
1 changed files with 3 additions and 2 deletions
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5
arch/x86/kvm/x86.c
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@@ -5072,12 +5072,13 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
GFP_KERNEL); GFP_KERNEL);
if (!vcpu->arch.mce_banks) { if (!vcpu->arch.mce_banks) {
r = -ENOMEM; r = -ENOMEM;
goto fail_mmu_destroy; goto fail_free_lapic;
} }
vcpu->arch.mcg_cap = KVM_MAX_MCE_BANKS; vcpu->arch.mcg_cap = KVM_MAX_MCE_BANKS;
return 0; return 0;
fail_free_lapic:
kvm_free_lapic(vcpu);
fail_mmu_destroy: fail_mmu_destroy:
kvm_mmu_destroy(vcpu); kvm_mmu_destroy(vcpu);
fail_free_pio_data: fail_free_pio_data: