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KVM: PPC: Book3S PR: Free shared page if mmu initialization fails
Explicitly free the shared page if kvmppc_mmu_init() fails during
kvmppc_core_vcpu_create(), as the page is freed only in
kvmppc_core_vcpu_free(), which is not reached via kvm_vcpu_uninit().
Fixes: 96bc451a15
("KVM: PPC: Introduce shared page")
Cc: stable@vger.kernel.org
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Acked-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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1 changed files with 3 additions and 1 deletions
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@ -1806,10 +1806,12 @@ static struct kvm_vcpu *kvmppc_core_vcpu_create_pr(struct kvm *kvm,
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err = kvmppc_mmu_init(vcpu);
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if (err < 0)
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goto uninit_vcpu;
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goto free_shared_page;
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return vcpu;
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free_shared_page:
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free_page((unsigned long)vcpu->arch.shared);
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uninit_vcpu:
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kvm_vcpu_uninit(vcpu);
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free_shadow_vcpu:
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