[PATCH v1 2/6] perf cs-etm: Bail out immediately for instruction sample failure

If the instruction sample failure has happened, it isn't necessary to execute to the end of the function cs_etm__flush(). This commit is to bail out immediately and return the error code.

Signed-off-by: Leo Yan leo.yan@linaro.org --- tools/perf/util/cs-etm.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 822ba91..8b2c099 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -939,6 +939,9 @@ static int cs_etm__flush(struct cs_etm_queue *etmq) err = cs_etm__synth_instruction_sample( etmq, addr, etmq->period_instructions); + if (err) + return err; + etmq->period_instructions = 0;

/*