[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.1rc2-25-g7b870da

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http://git.mpich.org/mpich.git/commitdiff/7b870da0cabc2e2c16e4fd6c5d7e84076886ca95

commit 7b870da0cabc2e2c16e4fd6c5d7e84076886ca95
Author: Pavan Balaji <balaji at mcs.anl.gov>
Date:   Tue Dec 3 11:53:38 2013 -0600

    Check for number of arguments instead of a NULL argument.
    
    Thanks to Masamichi Takagi @ NEC, Japan for reporting the error and
    suggesting the patch.  The cached PUTs array was not reinitialized to
    NULL values after the first time they were sent upstream and cleared.
    So the next time we push them upstream, they contained garbage data
    causing segfaults.  This patch looks for the number of arguments
    rather than a NULL argument as a termination detector.
    
    Signed-off-by: Masamichi Takagi <masamichi.takagi at gmail.com>

diff --git a/src/pm/hydra/pm/pmiserv/pmip_pmi_v1.c b/src/pm/hydra/pm/pmiserv/pmip_pmi_v1.c
index b46ab87..e36e047 100644
--- a/src/pm/hydra/pm/pmiserv/pmip_pmi_v1.c
+++ b/src/pm/hydra/pm/pmiserv/pmip_pmi_v1.c
@@ -46,7 +46,7 @@ static HYD_status send_cmd_upstream(const char *start, int fd, int num_args, cha
 
     j = 0;
     tmp[j++] = HYDU_strdup(start);
-    for (i = 0; args[i]; i++) {
+    for (i = 0; i < num_args; i++) {
         tmp[j++] = HYDU_strdup(args[i]);
         if (args[i + 1])
             tmp[j++] = HYDU_strdup(" ");

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

Summary of changes:
 src/pm/hydra/pm/pmiserv/pmip_pmi_v1.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


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