1 files changed, 3 insertions, 1 deletions

diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h
index 16274e2133cd..9c9a27d42aaa 100644
--- a/include/rdma/rdma_vt.h
+++ b/include/rdma/rdma_vt.h
@@ -203,7 +203,9 @@ struct rvt_driver_provided {
 
         /*
          * Allocate a private queue pair data structure for driver specific
-         * information which is opaque to rdmavt.
+         * information which is opaque to rdmavt.  Errors are returned via
+         * ERR_PTR(err).  The driver is free to return NULL or a valid
+         * pointer.
          */
         void * (*qp_priv_alloc)(struct rvt_dev_info *rdi, struct rvt_qp *qp,
                                 gfp_t gfp);