tracing: provide correct return value after outputting the event
This patch is to make the function return early on failure, and give correct return value on success. Signed-off-by: Wenji Huang <wenji.huang@oracle.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com>
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f54fc98aa6
Коммит
810dc73265
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@ -186,30 +186,30 @@ verif_pid(struct trace_seq *s, pid_t pid, int cpu, pid_t *last_pids_cpu)
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ret = trace_seq_printf(s,
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" ------------------------------------------\n");
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if (!ret)
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TRACE_TYPE_PARTIAL_LINE;
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return TRACE_TYPE_PARTIAL_LINE;
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ret = print_graph_cpu(s, cpu);
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if (ret == TRACE_TYPE_PARTIAL_LINE)
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TRACE_TYPE_PARTIAL_LINE;
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return TRACE_TYPE_PARTIAL_LINE;
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ret = print_graph_proc(s, prev_pid);
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if (ret == TRACE_TYPE_PARTIAL_LINE)
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TRACE_TYPE_PARTIAL_LINE;
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return TRACE_TYPE_PARTIAL_LINE;
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ret = trace_seq_printf(s, " => ");
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if (!ret)
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TRACE_TYPE_PARTIAL_LINE;
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return TRACE_TYPE_PARTIAL_LINE;
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ret = print_graph_proc(s, pid);
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if (ret == TRACE_TYPE_PARTIAL_LINE)
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TRACE_TYPE_PARTIAL_LINE;
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return TRACE_TYPE_PARTIAL_LINE;
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ret = trace_seq_printf(s,
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"\n ------------------------------------------\n\n");
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if (!ret)
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TRACE_TYPE_PARTIAL_LINE;
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return TRACE_TYPE_PARTIAL_LINE;
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return ret;
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return TRACE_TYPE_HANDLED;
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}
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static struct ftrace_graph_ret_entry *
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