[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.1-41-g5477bbd

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http://git.mpich.org/mpich.git/commitdiff/5477bbdcae1101334d78e12cbde1ac295c83811d

commit 5477bbdcae1101334d78e12cbde1ac295c83811d
Author: Rob Latham <robl at mcs.anl.gov>
Date:   Tue Mar 11 15:09:14 2014 -0500

    better error handling for NULL filename
    
    In the unlikley event that someone checks error codes, let them know
    they might want to pass a non-null filename to MPI-IO
    
    Signed-off-by: Wesley Bland <wbland at mcs.anl.gov>

diff --git a/src/mpi/romio/adio/common/ad_fstype.c b/src/mpi/romio/adio/common/ad_fstype.c
index 12fe676..ca97129 100644
--- a/src/mpi/romio/adio/common/ad_fstype.c
+++ b/src/mpi/romio/adio/common/ad_fstype.c
@@ -649,6 +649,10 @@ void ADIO_ResolveFileType(MPI_Comm comm, const char *filename, int *fstype,
     static char myname[] = "ADIO_RESOLVEFILETYPE";
 
     file_system = -1;
+    if (filename == NULL) {
+	    *error_code = ADIOI_Err_create_code(myname, filename, ENOENT);
+	    return;
+    }
     tmp = strchr(filename, ':');
     if (!tmp) {
 	int have_nfs_enabled=0;

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

Summary of changes:
 src/mpi/romio/adio/common/ad_fstype.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)


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