Commit-ID: 0b04b3dcdfb9aeb0e83c8ca322bf0830ee51ce38 Gitweb: http://git.kernel.org/tip/0b04b3dcdfb9aeb0e83c8ca322bf0830ee51ce38 Author: Arnaldo Carvalho de Melo <a...@redhat.com> AuthorDate: Tue, 21 Jun 2016 18:15:45 -0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Wed, 22 Jun 2016 10:01:48 -0300
perf evlist: Destructors should accept NULL And do nothing, just like free(), to avoid having to test it in callers, usually in error paths. Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: David Ahern <dsah...@gmail.com> Cc: Jiri Olsa <jo...@kernel.org> Cc: Masami Hiramatsu <mhira...@kernel.org> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Wang Nan <wangn...@huawei.com> Link: http://lkml.kernel.org/n/tip-mexbavy0ft387j5w89t36...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/builtin-kvm.c | 3 +-- tools/perf/tests/event-times.c | 3 +-- tools/perf/tests/parse-no-sample-id-all.c | 3 +-- tools/perf/util/evlist.c | 3 +++ 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 6487c06..ad46e91 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -1429,8 +1429,7 @@ out: if (kvm->session) perf_session__delete(kvm->session); kvm->session = NULL; - if (kvm->evlist) - perf_evlist__delete(kvm->evlist); + perf_evlist__delete(kvm->evlist); return err; } diff --git a/tools/perf/tests/event-times.c b/tools/perf/tests/event-times.c index 95fb744..9f5698a 100644 --- a/tools/perf/tests/event-times.c +++ b/tools/perf/tests/event-times.c @@ -200,8 +200,7 @@ static int test_times(int (attach)(struct perf_evlist *), count.ena, count.run); out_err: - if (evlist) - perf_evlist__delete(evlist); + perf_evlist__delete(evlist); return !err ? TEST_OK : TEST_FAIL; } diff --git a/tools/perf/tests/parse-no-sample-id-all.c b/tools/perf/tests/parse-no-sample-id-all.c index 294c76b..81c6eea 100644 --- a/tools/perf/tests/parse-no-sample-id-all.c +++ b/tools/perf/tests/parse-no-sample-id-all.c @@ -44,8 +44,7 @@ static int process_events(union perf_event **events, size_t count) for (i = 0; i < count && !err; i++) err = process_event(&evlist, events[i]); - if (evlist) - perf_evlist__delete(evlist); + perf_evlist__delete(evlist); return err; } diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 1b918aa..fcb8f1f 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -127,6 +127,9 @@ void perf_evlist__exit(struct perf_evlist *evlist) void perf_evlist__delete(struct perf_evlist *evlist) { + if (evlist == NULL) + return; + perf_evlist__munmap(evlist); perf_evlist__close(evlist); cpu_map__put(evlist->cpus);
