Subject: FAILED: patch "[PATCH] KVM: nVMX: Free the VMREAD/VMWRITE bitmaps if" failed to apply to 4.4-stable tree
To:     sean.j.christopherson@intel.com, pbonzini@redhat.com
Cc:     <stable@vger.kernel.org>
From:   <gregkh@linuxfoundation.org>
Date:   Sat, 05 Jan 2019 16:30:28 +0100
Message-ID: <1546702228392@kroah.com>
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Content-Type: text/plain; charset=ANSI_X3.4-1968
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Sender: stable-owner@vger.kernel.org
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The patch below does not apply to the 4.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 1b3ab5ad1b8ad99bae76ec583809c5f5a31c707c Mon Sep 17 00:00:00 2001
From: Sean Christopherson <sean.j.christopherson@intel.com>
Date: Mon, 3 Dec 2018 13:52:51 -0800
Subject: [PATCH] KVM: nVMX: Free the VMREAD/VMWRITE bitmaps if
 alloc_kvm_area() fails

Fixes: 34a1cd60d17f ("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>

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index c379d0bfdcba..3ec47b7a94d6 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -8037,13 +8037,16 @@ static __init int hardware_setup(void)
 
 	kvm_mce_cap_supported |= MCG_LMCE_P;
 
-	return alloc_kvm_area();
+	r = alloc_kvm_area();
+	if (r)
+		goto out;
+	return 0;
 
 out:
 	for (i = 0; i < VMX_BITMAP_NR; i++)
 		free_page((unsigned long)vmx_bitmap[i]);
 
-    return r;
+	return r;
 }
 
 static __exit void hardware_unsetup(void)