diff --git a/[refs] b/[refs]
index bffa9b3bd3dc..19f301b9ab8c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 99926a8cd36b6088448fec41aed4a3b5b05b3679
+refs/heads/master: 5133375bb46a0d6c3fba07097caed7aa5e629ccd
diff --git a/trunk/include/linux/acpi.h b/trunk/include/linux/acpi.h
index 0676b6ac57fa..5fdd87271518 100644
--- a/trunk/include/linux/acpi.h
+++ b/trunk/include/linux/acpi.h
@@ -25,6 +25,7 @@
 #ifndef _LINUX_ACPI_H
 #define _LINUX_ACPI_H
 
+#include <linux/errno.h>
 #include <linux/ioport.h>	/* for struct resource */
 
 #ifdef	CONFIG_ACPI