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-rw-r--r--arch/s390/kvm/kvm-s390.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 54b5b2565d..4a74effe68 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -5749,6 +5749,9 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
{
gpa_t size;
+ if (kvm_is_ucontrol(kvm))
+ return -EINVAL;
+
/* When we are protected, we should not change the memory slots */
if (kvm_s390_pv_get_handle(kvm))
return -EINVAL;