coresight: perf: Disable trace path upon source error
We enable the trace path, before activating the source. If we fail to enable the source, we must disable the path to make sure it is available for another session. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -317,11 +317,13 @@ static void etm_event_start(struct perf_event *event, int flags)
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/* Finally enable the tracer */
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if (source_ops(csdev)->enable(csdev, event, CS_MODE_PERF))
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goto fail_end_stop;
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goto fail_disable_path;
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out:
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return;
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fail_disable_path:
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coresight_disable_path(path);
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fail_end_stop:
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perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED);
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perf_aux_output_end(handle, 0);
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