Fix MPI_Get_address (MPI_BOTTOM, ...)

Nowhere in the standard does it say that it is invalid to pass
MPI_BOTTOM to MPI_Get_address yet we were returning an error. This
commit removes the error check on NULL == location.

Fixes open-mpi/ompi#1355.

Signed-off-by: Nathan Hjelm <[email protected]>

(cherry picked from commit open-mpi/ompi@064a67f)

Author: hjelmn

ompi/mpi/c/get_address.c

@@ -10,7 +10,7 @@
  *                         University of Stuttgart.  All rights reserved.
  * Copyright (c) 2004-2005 The Regents of the University of California.
  *                         All rights reserved.
- * Copyright (c) 2013      Los Alamos National Security, LLC.  All rights
+ * Copyright (c) 2013-2016 Los Alamos National Security, LLC.  All rights
  *                         reserved.
  * Copyright (c) 2015      Research Organization for Information Science
  *                         and Technology (RIST). All rights reserved.
@@ -42,7 +42,7 @@ int MPI_Get_address(const void *location, MPI_Aint *address)
 
     if( MPI_PARAM_CHECK ) {
       OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
-      if (NULL == location || NULL == address) {
+      if (NULL == address) {
         return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG, FUNC_NAME);
       }
     }

ompi/mpi/fortran/mpif-h/get_address_f.c

@@ -22,6 +22,7 @@
 #include "ompi_config.h"
 
 #include "ompi/mpi/fortran/mpif-h/bindings.h"
+#include "ompi/mpi/fortran/base/constants.h"
 
 #if OMPI_BUILD_MPI_PROFILING
 #if OPAL_HAVE_WEAK_SYMBOLS
@@ -71,7 +72,7 @@ void ompi_get_address_f(char *location, MPI_Aint *address, MPI_Fint *ierr)
     int c_ierr;
     MPI_Aint c_address;
 
-    c_ierr = PMPI_Get_address(location, &c_address);
+    c_ierr = PMPI_Get_address(OMPI_F2C_BOTTOM(location), &c_address);
     if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
 
     if (MPI_SUCCESS == c_ierr) {