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perf probe: Fix memory leaks in add_perf_probe_events

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Fix several memory leaks of pkgs and tevs in add_perf_probe_events().

Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org
LKML-Reference: <4C577ADC.1000309@hitachi.com>

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Masami Hiramatsu 2010-08-03 11:11:40 +09:00 committed by Arnaldo Carvalho de Melo
parent 58432e1f36
commit 449e5b247c
1 changed files with 8 additions and 3 deletions
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11
tools/perf/util/probe-event.c
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@ -1606,8 +1606,10 @@ int add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
/* Init vmlinux path */
ret = init_vmlinux();
if (ret < 0)
if (ret < 0) {
free(pkgs);
return ret;
}
/* Loop 1: convert all events */
for (i = 0; i < npevs; i++) {
@ -1625,10 +1627,13 @@ int add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
ret = __add_probe_trace_events(pkgs[i].pev, pkgs[i].tevs,
pkgs[i].ntevs, force_add);
end:
/* Loop 3: cleanup trace events */
for (i = 0; i < npevs; i++)
/* Loop 3: cleanup and free trace events */
for (i = 0; i < npevs; i++) {
for (j = 0; j < pkgs[i].ntevs; j++)
clear_probe_trace_event(&pkgs[i].tevs[j]);
free(pkgs[i].tevs);
}
free(pkgs);
return ret;
}