diff options
| author | Miaoqian Lin <[email protected]> | 2021-12-11 05:38:53 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2021-12-11 08:23:54 -0300 |
| commit | 9937e8daab29d9e20de6b7bc56c76db7a4eeda69 (patch) | |
| tree | 374a250882e60ed2c09f9dfef064d8d78b7f11ca | |
| parent | 6665b8e4836caa8023cbc7e53733acd234969c8c (diff) | |
perf python: Fix NULL vs IS_ERR_OR_NULL() checking
The function trace_event__tp_format_id may return ERR_PTR(-ENOMEM). Use
IS_ERR_OR_NULL to check tp_format.
Signed-off-by: Miaoqian Lin <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Song Liu <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
| -rw-r--r-- | tools/perf/util/python.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 563a9ba8954f..7f782a31bda3 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -461,7 +461,7 @@ get_tracepoint_field(struct pyrf_event *pevent, PyObject *attr_name) struct tep_event *tp_format; tp_format = trace_event__tp_format_id(evsel->core.attr.config); - if (!tp_format) + if (IS_ERR_OR_NULL(tp_format)) return NULL; evsel->tp_format = tp_format; |