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KVM: VMX: fix page leak in hardware_setup()

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[ Upstream commit 2895db67b01cb875457c9c3f30a14723b6b5dfd5 ]

vmx_io_bitmap_b should not be allocated twice.

Fixes: 23611332938d ("KVM: VMX: refactor setup of global page-sized bitmaps")
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jim Mattson 2017-12-01 09:57:56 -08:00 committed by Greg Kroah-Hartman
parent 034ddb54c3
commit 8172a467ad
1 changed files with 0 additions and 1 deletions
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arch/x86/kvm/vmx.c
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@ -6950,7 +6950,6 @@ static __init int hardware_setup(void)
goto out;
}
vmx_io_bitmap_b = (unsigned long *)__get_free_page(GFP_KERNEL);
memset(vmx_vmread_bitmap, 0xff, PAGE_SIZE);
memset(vmx_vmwrite_bitmap, 0xff, PAGE_SIZE);