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| author | Franck Bui-Huu <fbuihuu@gmail.com> | 2012-05-25 15:21:49 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-05-25 11:40:59 -0300 |
| commit | e8cdd947776300f962d5b699c34087af45a8aea7 (patch) | |
| tree | 819f25aa3ca86310ae96a3debe31cfb09deff19f /tools | |
| parent | a83eb3ea97efbc891b2f67e91329638cd4e21622 (diff) | |
| download | lwn-e8cdd947776300f962d5b699c34087af45a8aea7.tar.gz lwn-e8cdd947776300f962d5b699c34087af45a8aea7.zip | |
perf tools: fix thread_map__new_by_pid_str() memory leak in error path
The namelist array (including its content) was not freed if we fail to
realloc a new 'threads' structure.
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1337952109-31995-1-git-send-email-fbuihuu@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/thread_map.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c index 84d9bd782004..9b5f856cc280 100644 --- a/tools/perf/util/thread_map.c +++ b/tools/perf/util/thread_map.c @@ -188,28 +188,27 @@ static struct thread_map *thread_map__new_by_pid_str(const char *pid_str) nt = realloc(threads, (sizeof(*threads) + sizeof(pid_t) * total_tasks)); if (nt == NULL) - goto out_free_threads; + goto out_free_namelist; threads = nt; - if (threads) { - for (i = 0; i < items; i++) - threads->map[j++] = atoi(namelist[i]->d_name); - threads->nr = total_tasks; - } - - for (i = 0; i < items; i++) + for (i = 0; i < items; i++) { + threads->map[j++] = atoi(namelist[i]->d_name); free(namelist[i]); + } + threads->nr = total_tasks; free(namelist); - - if (!threads) - break; } out: strlist__delete(slist); return threads; +out_free_namelist: + for (i = 0; i < items; i++) + free(namelist[i]); + free(namelist); + out_free_threads: free(threads); threads = NULL; |