* turns out that you should only call bsend_request_alloc or

bsend_request_init, but not both.  Otherwise, you don't free
  some buffer space and end up leaking buffers and ending in
  badness
* since you only call alloc() or init(), but not both, need to 
  restore reference counting in init()

This commit was SVN r10674.

ompi/mca/pml/base/pml_base_bsend.c

@@ -232,9 +232,9 @@ int mca_pml_base_bsend_request_start(ompi_request_t* request)
         ompi_convertor_prepare_for_send( &sendreq->req_convertor, sendreq->req_base.req_datatype,
                                          sendreq->req_base.req_count, sendreq->req_base.req_addr );
 
+#endif
         /* increment count of pending requests */
         mca_pml_bsend_count++;
-#endif
 
         sendreq->req_datatype = MPI_BYTE;
 

ompi/mca/pml/cm/pml_cm_sendreq.h

@@ -93,10 +93,7 @@ do {                                                                    \
     MCA_PML_BASE_SEND_START( &sendreq->req_send.req_base );             \
     ret = OMPI_SUCCESS;                                                 \
     if (sendreq->req_send.req_send_mode == MCA_PML_BASE_SEND_BUFFERED) { \
-        ret = mca_pml_base_bsend_request_alloc(&sendreq->req_send.req_base.req_ompi); \
-        if (OMPI_SUCCESS == ret) {                                      \
-            ret =mca_pml_base_bsend_request_start(&sendreq->req_send.req_base.req_ompi); \
-        }                                                               \
+        ret =mca_pml_base_bsend_request_start(&sendreq->req_send.req_base.req_ompi); \
     }                                                                   \
     if (OMPI_SUCCESS == ret) {                                          \
         ret = OMPI_MTL_CALL(isend(ompi_mtl,                             \