diff options
| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-06-21 18:15:45 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-06-22 10:01:48 -0300 |
| commit | 0b04b3dcdfb9aeb0e83c8ca322bf0830ee51ce38 (patch) | |
| tree | 183b7008d41ce1f5feb7c840a2540d93a830e9e6 /tools/perf | |
| parent | perf hists: Enlarge pid sort entry size (diff) | |
| download | wireguard-linux-0b04b3dcdfb9aeb0e83c8ca322bf0830ee51ce38.tar.xz wireguard-linux-0b04b3dcdfb9aeb0e83c8ca322bf0830ee51ce38.zip | |
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.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-mexbavy0ft387j5w89t365eu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-kvm.c | 3 | ||||
| -rw-r--r-- | tools/perf/tests/event-times.c | 3 | ||||
| -rw-r--r-- | tools/perf/tests/parse-no-sample-id-all.c | 3 | ||||
| -rw-r--r-- | 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 6487c06d2708..ad46e91abec5 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 95fb744f6628..9f5698ac81ae 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 294c76b01b41..81c6eeaca0f5 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 1b918aa075d6..fcb8f1ff7806 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); |