diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 2bc1cef4e478..3734850120ae 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -16,6 +16,8 @@
  *
  */
 
+#include <linux/slab.h>
+
 #include "hub.h"
 
 static void usb_port_device_release(struct device *dev)