kvm: update_memslots: clean flags for invalid memslots

Indeed, any invalid memslots should be new->npages = 0,
new->base_gfn = 0 and new->flags = 0 at the same time.

Signed-off-by: Tiejun Chen <tiejun.chen@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 246cf291c6fd..a8490f084483 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -675,6 +675,7 @@ static void update_memslots(struct kvm_memslots *slots,
         if (!new->npages) {
                 WARN_ON(!mslots[i].npages);
                 new->base_gfn = 0;
+                new->flags = 0;
                 if (mslots[i].npages)
                         slots->used_slots--;
         } else {