From e8cdd947776300f962d5b699c34087af45a8aea7 Mon Sep 17 00:00:00 2001 From: Franck Bui-Huu Date: Fri, 25 May 2012 15:21:49 +0200 Subject: [PATCH] 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 Cc: David Ahern Link: http://lkml.kernel.org/r/1337952109-31995-1-git-send-email-fbuihuu@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/thread_map.c | 21 ++++++++++----------- 1 file 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;