diff --git a/[refs] b/[refs]
index 18cbf6cd84a6..016a166c2d89 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a2080a67abe9e314f9e9c2cc3a4a176e8a8f8793
+refs/heads/master: b04b3156a20d395a7faa8eed98698d1e17a36000
diff --git a/trunk/drivers/usb/core/hub.c b/trunk/drivers/usb/core/hub.c
index 25a7422ee657..7f380ff1f786 100644
--- a/trunk/drivers/usb/core/hub.c
+++ b/trunk/drivers/usb/core/hub.c
@@ -24,6 +24,7 @@
 #include <linux/kthread.h>
 #include <linux/mutex.h>
 #include <linux/freezer.h>
+#include <linux/random.h>
 
 #include <asm/uaccess.h>
 #include <asm/byteorder.h>
@@ -2173,6 +2174,14 @@ int usb_new_device(struct usb_device *udev)
 	/* Tell the world! */
 	announce_device(udev);
 
+	if (udev->serial)
+		add_device_randomness(udev->serial, strlen(udev->serial));
+	if (udev->product)
+		add_device_randomness(udev->product, strlen(udev->product));
+	if (udev->manufacturer)
+		add_device_randomness(udev->manufacturer,
+				      strlen(udev->manufacturer));
+
 	device_enable_async_suspend(&udev->dev);
 
 	/*