From: Arnaldo Carvalho de Melo <a...@redhat.com> The libtraceevent handler (session->tevent) is only initialized when there are tracepoints in a perf.data event list, so do not call pevent_set_function_resolve() in those cases, fixing a segfault.
Reported-by: Jiri Olsa <jo...@kernel.org> Tested-by: Jiri Olsa <jo...@kernel.org> Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: Borislav Petkov <b...@suse.de> Cc: David Ahern <dsah...@gmail.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Stephane Eranian <eran...@google.com> Link: http://lkml.kernel.org/n/tip-xyynkucl5p4bcs13zi4i4...@git.kernel.org Report-link: http://lkml.kernel.org/r/20150803174113.ga20...@krava.redhat.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/builtin-script.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index bd31380122f9..7912feb9a024 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1861,7 +1861,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) else symbol_conf.use_callchain = false; - if (pevent_set_function_resolver(session->tevent.pevent, + if (session->tevent.pevent && + pevent_set_function_resolver(session->tevent.pevent, machine__resolve_kernel_addr, &session->machines.host) < 0) { pr_err("%s: failed to set libtraceevent function resolver\n", __func__); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
