1 files changed, 1 insertions, 1 deletions

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index c3cca5a4dacd..c84d1016618e 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -964,7 +964,7 @@ struct ib_qp {
         struct ib_srq          *srq;
         struct ib_xrcd         *xrcd; /* XRC TGT QPs only */
         struct list_head        xrcd_list;
-        atomic_t                usecnt; /* count times opened */
+        atomic_t                usecnt; /* count times opened, mcast attaches */
         struct list_head        open_list;
         struct ib_qp           *real_qp;
         struct ib_uobject      *uobject;