Index: mpid/ch_gen2/mpid_hrecv.c
===================================================================
--- mpid/ch_gen2/mpid_hrecv.c   (revision 2989)
+++ mpid/ch_gen2/mpid_hrecv.c   (working copy)
@@ -118,20 +118,6 @@
     }


-    /* We have a non-contiguous buffer.
-     * Normally we would check for a null user buffer inside
-     * MPID_VIA_Irecv, but in this case we will pass the allocated
-     * buffer, not the user buffer, so check the user buffer
-     * here.
-     */
-
-    if (Is_MPI_Bottom(buf, count, dtype_ptr)) {
-        /* do not have to adjust ptr here */
-    } else if (buf == 0 && count > 0) {
-        *error_code = MPI_ERR_BUFFER;
-        return;
-    }
-
     /* Increment reference count for this type
      */
     MPIR_Type_dup(dtype_ptr);
---------------------------------------------------------------------------