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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> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kim Phillips <kim.phillips@arm.com> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Walker <robert.walker@arm.com> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/1529298599-3876-3-git-send-email-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -939,6 +939,9 @@ static int cs_etm__flush(struct cs_etm_queue *etmq)
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err = cs_etm__synth_instruction_sample(
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err = cs_etm__synth_instruction_sample(
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etmq, addr,
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etmq, addr,
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etmq->period_instructions);
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etmq->period_instructions);
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if (err)
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return err;
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etmq->period_instructions = 0;
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etmq->period_instructions = 0;
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/*
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/*
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