diff --git a/arch/x86/kvm/svm/csv.c b/arch/x86/kvm/svm/csv.c
index 25e86a8c4c5e87964c78254e17e0853b383599d5..c3e8b418f82aa6eec9cbfde20f475f6bdd8a97a5 100644
--- a/arch/x86/kvm/svm/csv.c
+++ b/arch/x86/kvm/svm/csv.c
@@ -3064,7 +3064,7 @@ static int csv_get_hygon_coco_extension(struct kvm *kvm)
 	size_t len = sizeof(uint32_t);
 	int ret = 0;
 
-	if (!kvm)
+	if (!kvm || !csv3_guest(kvm))
 		return 0;
 
 	csv = &to_kvm_svm_csv(kvm)->csv_info;