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perf script: Fix a NULL pointer dereference
If 'perf script --gen-script' was called with a perf.data which contains no tracepoint event, it'd segfault due to NULL pevent pointer. Fix it. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Feng Tang <feng.tang@intel.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1344909423-26384-1-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -293,7 +293,7 @@ struct event_format *trace_find_next_event(struct pevent *pevent,
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{
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static int idx;
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if (!pevent->events)
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if (!pevent || !pevent->events)
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return NULL;
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if (!event) {
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