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Commit d7fa6ab2 authored by Wei Yongjun's avatar Wei Yongjun Committed by Marcelo Tosatti
Browse files

KVM: MMU: Remove some useless code from alloc_mmu_pages() 



If we fail to alloc page for vcpu->arch.mmu.pae_root, call to
free_mmu_pages() is unnecessary, which just do free the page
malloc for vcpu->arch.mmu.pae_root.

Signed-off-by: default avatarWei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 0c04851c

arch/x86/kvm/mmu.c

+2 −5
Original line number Diff line number Diff line
@@ -2843,16 +2843,13 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu) 
	 */

	page = alloc_page(GFP_KERNEL | __GFP_DMA32);

	if (!page)

		goto error_1;

		return -ENOMEM;



	vcpu->arch.mmu.pae_root = page_address(page);

	for (i = 0; i < 4; ++i)

		vcpu->arch.mmu.pae_root[i] = INVALID_PAGE;



	return 0;



error_1:

	free_mmu_pages(vcpu);

	return -ENOMEM;

}



int kvm_mmu_create(struct kvm_vcpu *vcpu)