diff --git a/[refs] b/[refs]
index 3fab5931edcf..238f4eacf08d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9fe341e834bec1cad92c3f320931d0563674e112
+refs/heads/master: df0d5e6055b0230763da7a8975db1a7886442d93
diff --git a/trunk/drivers/staging/hv/channel_mgmt.h b/trunk/drivers/staging/hv/channel_mgmt.h
index 3368bf14e3cd..96f74e2a3c7f 100644
--- a/trunk/drivers/staging/hv/channel_mgmt.h
+++ b/trunk/drivers/staging/hv/channel_mgmt.h
@@ -27,6 +27,7 @@
 
 #include <linux/list.h>
 #include <linux/timer.h>
+#include <linux/workqueue.h>
 #include "ring_buffer.h"
 #include "vmbus_channel_interface.h"
 #include "vmbus_packet_format.h"