diff --git a/drivers/base/core.c b/drivers/base/core.c
index 46ff6c2..610d967 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1513,6 +1513,8 @@
  * exclusion between two different calls of device_rename
  * on the same device to ensure that new_name is valid and
  * won't conflict with other devices.
+ *
+ * "Never use this function, bad things will happen" - gregkh
  */
 int device_rename(struct device *dev, const char *new_name)
 {