diff --git a/[refs] b/[refs]
index 94196c868dda..231baa2763ac 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2242fa4f04d670f02efb43ec537d677edc220880
+refs/heads/master: 1fea391039d1c4e876a164099bff475a02a29d96
diff --git a/trunk/drivers/infiniband/hw/ehca/ehca_classes.h b/trunk/drivers/infiniband/hw/ehca/ehca_classes.h
index b5e960305316..0d69f0f001d9 100644
--- a/trunk/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/trunk/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -53,6 +53,7 @@ struct ehca_pd;
 struct ehca_av;
 
 #include <linux/wait.h>
+#include <linux/mutex.h>
 
 #include <rdma/ib_verbs.h>
 #include <rdma/ib_user_verbs.h>