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OpenCloudOS-Kernel
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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: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Wei Yongjun 2010-01-22 16:55:05 +08:00 committed by Marcelo Tosatti
parent 0c04851c0c
commit d7fa6ab217
1 changed files with 2 additions and 5 deletions
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7
arch/x86/kvm/mmu.c
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@ -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)