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perf script: Add missing calls to Py_DECREF for return values

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Signed-off-by: Joseph Schuchart <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Ilsche <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Joseph Schuchart 2014-07-09 16:16:31 +02:00 • committed by Arnaldo Carvalho de Melo
commit 05f832e3a2
1 changed files with 10 additions and 2 deletions
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12
tools/perf/util/scripting-engines/trace-event-python.c
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@ -50,10 +50,14 @@ static int zero_flag_atom;
static PyObject *main_module, *main_dict;
static void handler_call_die(const char *handler_name) NORETURN;
static void handler_call_die(const char *handler_name)
{
PyErr_Print();
Py_FatalError("problem in Python trace event handler");
// Py_FatalError does not return
// but we have to make the compiler happy
abort();
}
/*
@ -97,6 +101,7 @@ static void define_value(enum print_arg_type field_type,
retval = PyObject_CallObject(handler, t);
if (retval == NULL)
handler_call_die(handler_name);
Py_DECREF(retval);
}
Py_DECREF(t);
@ -143,6 +148,7 @@ static void define_field(enum print_arg_type field_type,
retval = PyObject_CallObject(handler, t);
if (retval == NULL)
handler_call_die(handler_name);
Py_DECREF(retval);
}
Py_DECREF(t);
@ -361,6 +367,7 @@ static void python_process_tracepoint(struct perf_sample *sample,
retval = PyObject_CallObject(handler, t);
if (retval == NULL)
handler_call_die(handler_name);
Py_DECREF(retval);
} else {
handler = PyDict_GetItemString(main_dict, "trace_unhandled");
if (handler && PyCallable_Check(handler)) {
@ -368,6 +375,7 @@ static void python_process_tracepoint(struct perf_sample *sample,
retval = PyObject_CallObject(handler, t);
if (retval == NULL)
handler_call_die("trace_unhandled");
Py_DECREF(retval);
}
Py_DECREF(dict);
}
@ -427,6 +435,7 @@ static void python_process_general_event(struct perf_sample *sample,
retval = PyObject_CallObject(handler, t);
if (retval == NULL)
handler_call_die(handler_name);
Py_DECREF(retval);
exit:
Py_DECREF(dict);
Py_DECREF(t);
@ -548,8 +557,7 @@ static int python_stop_script(void)
retval = PyObject_CallObject(handler, NULL);
if (retval == NULL)
handler_call_die("trace_end");
else
Py_DECREF(retval);
Py_DECREF(retval);
out:
Py_XDECREF(main_dict);
Py_XDECREF(main_module);