1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index c7afee37b2b8..9ad89e38f6c0 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -1833,6 +1833,8 @@ static bool kvmgt_is_valid_gfn(unsigned long handle, unsigned long gfn)
 {
         struct kvmgt_guest_info *info;
         struct kvm *kvm;
+        int idx;
+        bool ret;
 
         if (!handle_valid(handle))
                 return false;
@@ -1840,8 +1842,11 @@ static bool kvmgt_is_valid_gfn(unsigned long handle, unsigned long gfn)
         info = (struct kvmgt_guest_info *)handle;
         kvm = info->kvm;
 
-        return kvm_is_visible_gfn(kvm, gfn);
+        idx = srcu_read_lock(&kvm->srcu);
+        ret = kvm_is_visible_gfn(kvm, gfn);
+        srcu_read_unlock(&kvm->srcu, idx);
 
+        return ret;
 }
 
 struct intel_gvt_mpt kvmgt_mpt = {