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OpenCloudOS-Kernel
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KVM: nVMX: Free the VMREAD/VMWRITE bitmaps if alloc_kvm_area() fails 

Fixes: 34a1cd60d1 ("kvm: x86: vmx: move some vmx setting from vmx_init() to hardware_setup()")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2018-12-03 13:52:51 -08:00 committed by Paolo Bonzini
parent 2a31b9db15
commit 1b3ab5ad1b
1 changed files with 5 additions and 2 deletions
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7
arch/x86/kvm/vmx.c
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@ -8037,13 +8037,16 @@ static __init int hardware_setup(void)
kvm_mce_cap_supported |= MCG_LMCE_P; kvm_mce_cap_supported |= MCG_LMCE_P;
return alloc_kvm_area(); r = alloc_kvm_area();
if (r)
goto out;
return 0;
out: out:
for (i = 0; i < VMX_BITMAP_NR; i++) for (i = 0; i < VMX_BITMAP_NR; i++)
free_page((unsigned long)vmx_bitmap[i]); free_page((unsigned long)vmx_bitmap[i]);
return r; return r;
} }
static __exit void hardware_unsetup(void) static __exit void hardware_unsetup(void)