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-rw-r--r--arch/s390/kvm/kvm-s390.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index ba811f0673d1..2741ca323ede 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -3875,7 +3875,9 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
out_ucontrol_uninit:
if (kvm_is_ucontrol(vcpu->kvm)) {
+ spin_lock(&vcpu->kvm->arch.gmap->children_lock);
gmap_remove_child(vcpu->arch.gmap);
+ spin_unlock(&vcpu->kvm->arch.gmap->children_lock);
vcpu->arch.gmap = gmap_put(vcpu->arch.gmap);
}
out_free_sie_block: