mpxyd: fix memory leak during smd proxy device close

Need to cleanup the proxy buffer created during device open.
unregister the proxy buffer with both scif and IB and free memory.

Signed-off-by: Arlin Davis <arlin.r.davis@intel.com>

diff --git a/dapl/svc/mpxyd.c b/dapl/svc/mpxyd.c
index 9ecf780dc3b42db1e5bfeb0b03e4049bd4d11e43..296d0e88653877dc46f0d263bb28687df75598a6 100644 (file)
--- a/dapl/svc/mpxyd.c
+++ b/dapl/svc/mpxyd.c
@@ -1539,6 +1539,16 @@ static void mcm_destroy_smd(mcm_scif_dev_t *smd)
        pthread_mutex_unlock(&smd->plock);
        mlog(1, " port space destroyed \n");
 
+       /* unregister scif window, ib mr, and free m_buf*/
+       if (smd->m_offset)
+               scif_unregister(smd->scif_tx_ep, smd->m_offset, smd->m_len);
+
+       if (smd->m_mr)
+               ibv_dereg_mr(smd->m_mr);
+
+       free (smd->m_buf);
+       mlog(1, " m_buf unregistered and freed \n");
+
        if (smd->ref_cnt) {
                mlog(0, " WARNING: ref_cnt not 0, = %d \n", smd->ref_cnt);
        }