diff --git a/[refs] b/[refs]
index 3ce9dc6717b5..0e915fe25d76 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 715a588f420936ecdb813c4fcd40dff7a16b1638
+refs/heads/master: 9ab1ffa8775d9c677b1301cccce8a7d91e5163d0
diff --git a/trunk/drivers/infiniband/core/iwcm.c b/trunk/drivers/infiniband/core/iwcm.c
index 54faa033d89e..cf797d7aea09 100644
--- a/trunk/drivers/infiniband/core/iwcm.c
+++ b/trunk/drivers/infiniband/core/iwcm.c
@@ -147,8 +147,9 @@ static int copy_private_data(struct iw_cm_event *event)
 }
 
 /*
- * Release a reference on cm_id. If the last reference is being removed
- * and iw_destroy_cm_id is waiting, wake up the waiting thread.
+ * Release a reference on cm_id. If the last reference is being
+ * released, enable the waiting thread (in iw_destroy_cm_id) to
+ * get woken up, and return 1 if a thread is already waiting.
  */
 static int iwcm_deref_id(struct iwcm_id_private *cm_id_priv)
 {