Commit 86a2b42e authored by Avi Kivity's avatar Avi Kivity Committed by Linus Torvalds
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[PATCH] KVM: Initialize vcpu->kvm a little earlier 



Fixes oops on early close of /dev/kvm.

Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent e52de1b8

drivers/kvm/kvm_main.c

+1 −1
Original line number Diff line number Diff line
@@ -230,6 +230,7 @@ static int kvm_dev_open(struct inode *inode, struct file *filp) 
		struct kvm_vcpu *vcpu = &kvm->vcpus[i];



		mutex_init(&vcpu->mutex);

		vcpu->kvm = kvm;

		vcpu->mmu.root_hpa = INVALID_PAGE;

		INIT_LIST_HEAD(&vcpu->free_pages);

	}
@@ -530,7 +531,6 @@ static int kvm_dev_ioctl_create_vcpu(struct kvm *kvm, int n) 
	vcpu->guest_fx_image = vcpu->host_fx_image + FX_IMAGE_SIZE;



	vcpu->cpu = -1;  /* First load will set up TR */

	vcpu->kvm = kvm;

	r = kvm_arch_ops->vcpu_create(vcpu);

	if (r < 0)

		goto out_free_vcpus;