[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.1.2-70-gc835e3f

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http://git.mpich.org/mpich.git/commitdiff/c835e3f874912660f206139dc8046c4ede0501f7

commit c835e3f874912660f206139dc8046c4ede0501f7
Author: Junchao Zhang <jczhang at mcs.anl.gov>
Date:   Tue Aug 5 13:04:46 2014 -0500

    Avoid accessing null pointer in MPID_Comm_valid_ptr
    
    Fixes #2147
    
    Signed-off-by: Wesley Bland <wbland at anl.gov>

diff --git a/src/include/mpiimpl.h b/src/include/mpiimpl.h
index 882e366..64043e4 100644
--- a/src/include/mpiimpl.h
+++ b/src/include/mpiimpl.h
@@ -499,7 +499,7 @@ int MPIU_Handle_free( void *((*)[]), int );
      if ((ptr) && MPIU_Object_get_ref(ptr) <= 0) {    \
          MPIU_ERR_SET(err,MPI_ERR_COMM,"**comm");     \
          ptr = 0;                                     \
-     } else if (ptr->revoked && !ignore_rev) {        \
+     } else if ((ptr) && (ptr)->revoked && !(ignore_rev)) {        \
          MPIU_ERR_SET(err,MPIX_ERR_REVOKED,"**comm"); \
      }                                                \
 }

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

Summary of changes:
 src/include/mpiimpl.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


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