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perf tools: Use zfree to help detect use after free bugs

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Several areas already used this technique, so do some audit to
consistently use it elsewhere.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-9sbere0kkplwe45ak6rk4a1f@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2013-12-27 16:55:14 -03:00
commit 74cf249d5c
29 changed files with 83 additions and 80 deletions
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10
tools/perf/util/header.c
View file

@ -800,10 +800,10 @@ static void free_cpu_topo(struct cpu_topo *tp)
return;
for (i = 0 ; i < tp->core_sib; i++)
free(tp->core_siblings[i]);
zfree(&tp->core_siblings[i]);
for (i = 0 ; i < tp->thread_sib; i++)
free(tp->thread_siblings[i]);
zfree(&tp->thread_siblings[i]);
free(tp);
}
@ -1232,8 +1232,8 @@ static void free_event_desc(struct perf_evsel *events)
return;
for (evsel = events; evsel->attr.size; evsel++) {
free(evsel->name);
free(evsel->id);
zfree(&evsel->name);
zfree(&evsel->id);
}
free(events);
@ -2105,7 +2105,7 @@ static int process_group_desc(struct perf_file_section *section __maybe_unused,
ret = 0;
out_free:
for (i = 0; i < nr_groups; i++)
free(desc[i].name);
zfree(&desc[i].name);
free(desc);
return ret;