Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf tools: Fix sample size bit operations
  perf tools: Fix ommitted mmap data update on remap
  watchdog: Change the default timeout and configure nmi watchdog period based on watchdog_thresh
  watchdog: Disable watchdog when thresh is zero
  watchdog: Only disable/enable watchdog if neccessary
  watchdog: Fix rounding bug in get_sample_period()
  perf tools: Propagate event parse error handling
  perf tools: Robustify dynamic sample content fetch
  perf tools: Pre-check sample size before parsing
  perf tools: Move evlist sample helpers to evlist area
  perf tools: Remove junk code in mmap size handling
  perf tools: Check we are able to read the event size on mmap

1 files changed, 10 insertions, 3 deletions

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index b5c7d818001c..69436b3200a4 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -675,6 +675,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
         union perf_event *event;
         int sample_id_all = 1, cpu;
         static char *kwlist[] = {"sample_id_all", NULL, NULL};
+        int err;
 
         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist,
                                          &cpu, &sample_id_all))
@@ -690,11 +691,17 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
                         return PyErr_NoMemory();
 
                 first = list_entry(evlist->entries.next, struct perf_evsel, node);
-                perf_event__parse_sample(event, first->attr.sample_type, sample_id_all,
-                                         &pevent->sample);
+                err = perf_event__parse_sample(event, first->attr.sample_type,
+                                               perf_sample_size(first->attr.sample_type),
+                                               sample_id_all, &pevent->sample);
+                if (err) {
+                        pr_err("Can't parse sample, err = %d\n", err);
+                        goto end;
+                }
+
                 return pyevent;
         }
-
+end:
         Py_INCREF(Py_None);
         return Py_None;
 }