Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH] perf script: Fix a NULL pointer dereference | Date | Tue, 14 Aug 2012 10:57:03 +0900 |
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From: Namhyung Kim <namhyung.kim@lge.com>
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.
Cc: Feng Tang <feng.tang@intel.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/util/trace-event-parse.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 4cb7f3831f78..a5a554efeb50 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -293,7 +293,7 @@ struct event_format *trace_find_next_event(struct pevent *pevent, { static int idx; - if (!pevent->events) + if (!pevent || !pevent->events) return NULL; if (!event) { -- 1.7.11.2
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