diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index cf5b1de..9323837 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -506,6 +506,7 @@
 
 	return 0;
 exit_free:
+	pdata->core_data[attr_no] = NULL;
 	kfree(tdata);
 	return err;
 }