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perf tools: No need to check if the argument to __get() function is NULL

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Those functions always check if the argument is NULL before trying to
grab a reference count, and also will return the received object, so, to
make code more compact, no need to check for NULL.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Krister Johansen <kjlx@templeofstupid.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-i9wycjdxh0fwhryu55lmafks@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2018-05-24 11:20:39 -03:00
parent 5dbe23e877
commit 362379aad5
2 changed files with 2 additions and 3 deletions
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3
tools/perf/builtin-probe.c
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@ -81,8 +81,7 @@ static int parse_probe_event(const char *str)
params.target_used = true;
}
if (params.nsi)
pev->nsi = nsinfo__get(params.nsi);
pev->nsi = nsinfo__get(params.nsi);
/* Parse a perf-probe command into event */
ret = parse_perf_probe_command(str, pev);

2
tools/perf/util/hist.c
View File

@ -1039,7 +1039,7 @@ int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
int err, err2;
struct map *alm = NULL;
if (al && al->map)
if (al)
alm = map__get(al->map);
err = sample__resolve_callchain(iter->sample, &callchain_cursor, &iter->parent,