forked from Minki/linux
tracing: fix the return value of trace selftest
This patch is to fix the return value of trace_selftest_startup_sysprof and trace_selftest_startup_branch on failure. Signed-off-by: Wenji Huang <wenji.huang@oracle.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com>
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@ -622,7 +622,7 @@ trace_selftest_startup_sysprof(struct tracer *trace, struct trace_array *tr)
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ret = tracer_init(trace, tr);
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ret = tracer_init(trace, tr);
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if (ret) {
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if (ret) {
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warn_failed_init_tracer(trace, ret);
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warn_failed_init_tracer(trace, ret);
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return 0;
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return ret;
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}
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}
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/* Sleep for a 1/10 of a second */
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/* Sleep for a 1/10 of a second */
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@ -634,6 +634,11 @@ trace_selftest_startup_sysprof(struct tracer *trace, struct trace_array *tr)
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trace->reset(tr);
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trace->reset(tr);
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tracing_start();
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tracing_start();
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if (!ret && !count) {
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printk(KERN_CONT ".. no entries found ..");
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ret = -1;
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}
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return ret;
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return ret;
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}
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}
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#endif /* CONFIG_SYSPROF_TRACER */
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#endif /* CONFIG_SYSPROF_TRACER */
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@ -661,6 +666,11 @@ trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr)
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trace->reset(tr);
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trace->reset(tr);
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tracing_start();
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tracing_start();
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if (!ret && !count) {
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printk(KERN_CONT ".. no entries found ..");
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ret = -1;
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}
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return ret;
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return ret;
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}
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}
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#endif /* CONFIG_BRANCH_TRACER */
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#endif /* CONFIG_BRANCH_TRACER */
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