perf tools: Fix parse_events_error dereferences

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Parse errors can be reported in struct parse_events_error but the
pointer passed is optional and can be NULL.  Ensure it is not NULL
before dereferencing it.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Link: http://lkml.kernel.org/r/1432040746-1755-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Adrian Hunter 2015-05-19 16:05:44 +03:00 • committed by Arnaldo Carvalho de Melo

parent bb78ce7d05

commit a6ced2be06

2 changed files with 6 additions and 2 deletions

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2

tools/perf/util/parse-events.c

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6

tools/perf/util/parse-events.y

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