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perf cs-etm: Return errcode in cs_etm__process_auxtrace_info() 

The 'err' variable is set in the error path, but it's not returned to
callers.  Don't always return -EINVAL, return err.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Fixes: cd8bfd8c97 ("perf tools: Add processing of coresight metadata")
Link: http://lkml.kernel.org/r/20190321023122.21332-3-yuehaibing@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
YueHaibing 2019-03-21 10:31:22 +08:00 committed by Arnaldo Carvalho de Melo
parent edc82a9943
commit 6285bd151b
1 changed files with 7 additions and 3 deletions
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10
tools/perf/util/cs-etm.c
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@ -2517,8 +2517,10 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
session->auxtrace = &etm->auxtrace;
etm->unknown_thread = thread__new(999999999, 999999999);
if (!etm->unknown_thread)
if (!etm->unknown_thread) {
err = -ENOMEM;
goto err_free_queues;
}
/*
* Initialize list node so that at thread__zput() we can avoid
@ -2530,8 +2532,10 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
if (err)
goto err_delete_thread;
if (thread__init_map_groups(etm->unknown_thread, etm->machine))
if (thread__init_map_groups(etm->unknown_thread, etm->machine)) {
err = -ENOMEM;
goto err_delete_thread;
}
if (dump_trace) {
cs_etm__print_auxtrace_info(auxtrace_info->priv, num_cpu);
@ -2575,5 +2579,5 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
err_free_hdr:
zfree(&hdr);
return -EINVAL;
return err;
}