On 08/20/13 15:00, Hal Rosenstock wrote:
From: Vladimir Koushnir <[email protected]>

double strdup for p_opt->dump_files_dir is causing memory leak

Signed-off-by: Vladimir Koushnir <[email protected]>
Signed-off-by: Hal Rosenstock <[email protected]>
---
diff --git a/opensm/osm_subnet.c b/opensm/osm_subnet.c
index 7ab1671..4b5ef38 100644
--- a/opensm/osm_subnet.c
+++ b/opensm/osm_subnet.c
@@ -1498,7 +1498,7 @@ void osm_subn_set_default_opt(IN osm_subn_opt_t *
p_opt)
        p_opt->dump_files_dir = getenv("OSM_TMP_DIR");
        if (!p_opt->dump_files_dir || !(*p_opt->dump_files_dir))
-               p_opt->dump_files_dir = strdup(OSM_DEFAULT_TMP_DIR);
+               p_opt->dump_files_dir = (char *) OSM_DEFAULT_TMP_DIR;
        p_opt->dump_files_dir = strdup(p_opt->dump_files_dir);
        p_opt->log_file = strdup(OSM_DEFAULT_LOG_FILE);
        p_opt->log_max_size = 0;

How about avoiding the memory leak via the construct below, which has the advantage that no cast is necessary ?

        if (!p_opt->dump_files_dir || !(*p_opt->dump_files_dir))
                p_opt->dump_files_dir = strdup(OSM_DEFAULT_TMP_DIR);
        else
                p_opt->dump_files_dir = strdup(p_opt->dump_files_dir);

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