diff --git a/drivers/scsi/huawei/hifc/hifc_dbgtool_knl.c b/drivers/scsi/huawei/hifc/hifc_dbgtool_knl.c
index 87f0c9fd3965319f5cead0076ed2390383e3d339..b42225723debff53a23c6073f18d260fb63b998d 100644
--- a/drivers/scsi/huawei/hifc/hifc_dbgtool_knl.c
+++ b/drivers/scsi/huawei/hifc/hifc_dbgtool_knl.c
@@ -843,8 +843,9 @@ int dbgtool_knl_init(void *vhwdev, void *chip_node)
 	sema_init(&dbgtool_info->dbgtool_sem, 1);
 
 	ret = sscanf(chip_info->chip_name, HIFC_CHIP_NAME "%d", &id);
-	if (ret < 0) {
+	if (ret < 1) {
 		pr_err("Failed to get hifc id\n");
+		ret = -EFAULT;
 		goto sscanf_chdev_fail;
 	}