diff --git a/drivers/misc/qseecom.c b/drivers/misc/qseecom.c
index 6683cfeca38c..85ca463f648c 100644
--- a/drivers/misc/qseecom.c
+++ b/drivers/misc/qseecom.c
@@ -7014,6 +7014,13 @@ long qseecom_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 		break;
 	}
 	case QSEECOM_IOCTL_APP_LOADED_QUERY_REQ: {
+		if ((data->type != QSEECOM_GENERIC) &&
+			(data->type != QSEECOM_CLIENT_APP)) {
+			pr_err("app loaded query req: invalid handle (%d)\n",
+								data->type);
+			ret = -EINVAL;
+			break;
+		}
 		data->type = QSEECOM_CLIENT_APP;
 		mutex_lock(&app_access_lock);
 		atomic_inc(&data->ioctl_count);