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openmpi/ompi/mpi/c/startall.c
Rainer Keller 334b64e760 - Coverity issue CID 35:
Event var_deref_op: Variable "requests" tracked as NULL was
   dereferenced.
   Only check requests[i] for NULL, if requests is != NULL itself.

This commit was SVN r17973.
2008-03-26 08:19:55 +00:00

78 строки
2.2 KiB
C

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/request/request.h"
#include "ompi/memchecker.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Startall = PMPI_Startall
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Startall";
int MPI_Startall(int count, MPI_Request *requests)
{
int ret = OMPI_SUCCESS;
MEMCHECKER(
int j;
for (j = 0; j < count; j++){
memchecker_request(&requests[j]);
}
);
if ( MPI_PARAM_CHECK ) {
int i;
int rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == requests) {
rc = MPI_ERR_REQUEST;
} else if (count < 0) {
rc = MPI_ERR_ARG;
} else {
for (i = 0; i < count; ++i) {
if (NULL == requests[i] ||
(OMPI_REQUEST_PML != requests[i]->req_type &&
OMPI_REQUEST_NOOP != requests[i]->req_type)) {
rc = MPI_ERR_REQUEST;
break;
}
}
}
OMPI_ERRHANDLER_CHECK(rc, MPI_COMM_WORLD, rc, FUNC_NAME);
}
OPAL_CR_ENTER_LIBRARY();
ret = MCA_PML_CALL(start(count, requests));
OPAL_CR_EXIT_LIBRARY();
return ret;
}