[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.0.4-194-g1b5334e

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http://git.mpich.org/mpich.git/commitdiff/1b5334ede0488abc04e981e53ea977780c9e28e6

commit 1b5334ede0488abc04e981e53ea977780c9e28e6
Author: Rob Latham <robl at mcs.anl.gov>
Date:   Wed May 15 12:04:53 2013 -0500

    deal with MPI_INFO_NULL reasonably
    
    maddeningly we cannot dup MPI_INFO_NULL, so let's check for that case

diff --git a/src/mpi/romio/adio/include/adioi_error.h b/src/mpi/romio/adio/include/adioi_error.h
index 1dd00ee..3c47cc3 100644
--- a/src/mpi/romio/adio/include/adioi_error.h
+++ b/src/mpi/romio/adio/include/adioi_error.h
@@ -167,7 +167,12 @@ then the dup operation will succeed */
 #define MPIO_CHECK_INFO_ALL(info, error_code, comm) {     \
     MPI_Info dupinfo;                           \
     int tmp_err = MPI_SUCCESS;                  \
-    error_code = MPI_Info_dup(info, &dupinfo);  \
+    if (info == MPI_INFO_NULL) {                \
+	error_code = MPI_Info_dup(info, &dupinfo);  \
+	dupinfo = MPI_INFO_NULL;                    \
+    } else {                                        \
+	error_code = MPI_SUCCESS;                   \
+    }                                               \
     MPI_Allreduce(&error_code, &tmp_err, 1, MPI_INT, MPI_MAX, comm); \
     if(tmp_err != MPI_SUCCESS) {                                            \
 	error_code = MPIO_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE, \

-----------------------------------------------------------------------

Summary of changes:
 src/mpi/romio/adio/include/adioi_error.h |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)


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