[PATCH v3 0/4] Fill in lacking parts and Refactor several parts

[Taeung Song]

v3:
 - Split a patch in accordance with "no functional changes"
 or "change logic" (Arnaldo)
 - Change the title of commit message (Arnaldo)

v2:
 - Check the return of perf_config() and
 warn the user with config error message (Arnaldo)
 - Change commit messages (Jiri)
 - Add only one macro instead of two macros (Jiri) 

Taeung Song (4):
  perf tools: Only increase index if perf_evsel__new_idx() succeeds
  perf tools: Fill in a lacking part no checking NULL after zalloc() in
    parse-events.c
  perf tools: Use zfree() instead of free() and assigning NULL to the
    pointer
  perf tools: Use zfree() to be more safe in parse-events.c

 tools/perf/util/parse-events.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

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2.7.4