From: David Hildenbrand <david@redhat.com>
Date: Thu, 24 Aug 2017 20:51:25 +0200
Subject: KVM: x86: drop BUG_ON(vcpu->kvm)
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Patch-mainline: v4.15-rc1
Git-commit: 26de7988499b96f3bca09e5bdf16c0f46541fcc6
References: bsc#1077761

And also get rid of that superfluous local variable "kvm".

Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Acked-by: Alexander Graf <agraf@suse.de>
---
 arch/x86/kvm/x86.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7974,16 +7974,12 @@
 int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
 {
 	struct page *page;
-	struct kvm *kvm;
 	int r;
 
-	BUG_ON(vcpu->kvm == NULL);
-	kvm = vcpu->kvm;
-
 	vcpu->arch.apicv_active = kvm_x86_ops->get_enable_apicv(vcpu);
 	vcpu->arch.pv.pv_unhalted = false;
 	vcpu->arch.emulate_ctxt.ops = &emulate_ops;
-	if (!irqchip_in_kernel(kvm) || kvm_vcpu_is_reset_bsp(vcpu))
+	if (!irqchip_in_kernel(vcpu->kvm) || kvm_vcpu_is_reset_bsp(vcpu))
 		vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;
 	else
 		vcpu->arch.mp_state = KVM_MP_STATE_UNINITIALIZED;
@@ -8001,7 +7997,7 @@
 	if (r < 0)
 		goto fail_free_pio_data;
 
-	if (irqchip_in_kernel(kvm)) {
+	if (irqchip_in_kernel(vcpu->kvm)) {
 		r = kvm_create_lapic(vcpu);
 		if (r < 0)
 			goto fail_mmu_destroy;