diff --git a/[refs] b/[refs]
index 3b426ee49d7c..3d142b8c054c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 545554e7c5bb93bfbf134f9f12889701c0aadf97
+refs/heads/master: 023bc8e75f8cf9e4da8411154be22a4f809d3314
diff --git a/trunk/drivers/tty/serial/pch_uart.c b/trunk/drivers/tty/serial/pch_uart.c
index c63d0d152af6..f2cb7503fcb2 100644
--- a/trunk/drivers/tty/serial/pch_uart.c
+++ b/trunk/drivers/tty/serial/pch_uart.c
@@ -15,6 +15,7 @@
  *Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
  */
 #include <linux/serial_reg.h>
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/serial_core.h>