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perf session: Free environment information when deleting session

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The perf session environment information was saved (so allocated) during
perf_session__open, but was not freed.  As free(3) handles NULL pointer
input properly it won't cause a issue for writing modes - e.g. perf
record

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Feng Tang <feng.tang@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1353472999-23042-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2012-11-21 13:43:19 +09:00 committed by Arnaldo Carvalho de Melo
parent 3cde41b0d6
commit 03cd209499
1 changed files with 17 additions and 0 deletions
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17
tools/perf/util/session.c
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@ -204,11 +204,28 @@ static void perf_session__delete_threads(struct perf_session *session)
machine__delete_threads(&session->host_machine);
}
static void perf_session_env__delete(struct perf_session_env *env)
{
free(env->hostname);
free(env->os_release);
free(env->version);
free(env->arch);
free(env->cpu_desc);
free(env->cpuid);
free(env->cmdline);
free(env->sibling_cores);
free(env->sibling_threads);
free(env->numa_nodes);
free(env->pmu_mappings);
}
void perf_session__delete(struct perf_session *self)
{
perf_session__destroy_kernel_maps(self);
perf_session__delete_dead_threads(self);
perf_session__delete_threads(self);
perf_session_env__delete(&self->header.env);
machine__exit(&self->host_machine);
close(self->fd);
free(self);