Messages in this thread Patch in this message | | | From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 01/24] perf script: Fix a NULL pointer dereference | Date | Mon, 20 Aug 2012 13:26:02 -0300 |
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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.
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> --- tools/perf/util/trace-event-parse.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 4cb7f38..a5a554e 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) { -- 1.7.1
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