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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-05-24 17:29:07 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-06-04 16:28:50 +0300
commit5dbe23e8772299f227f1ac974752bc853e9814bb (patch)
tree71861f4c37a0b20e792003ce4862e58a312296f7 /tools/perf/util/cgroup.c
parentf622df5ed768ce7c049af99196c1b7b0a2c0d385 (diff)
downloadlinux-5dbe23e8772299f227f1ac974752bc853e9814bb.tar.xz
perf cgroup: Make evlist__find_cgroup() more compact
By taking advantage that __get() routines return the pointer to the object for which a reference count is being get. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-xnvd07rdxliy04oi062samik@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/cgroup.c')
-rw-r--r--tools/perf/util/cgroup.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index decb91f9da82..ccd02634a616 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -93,20 +93,17 @@ static int open_cgroup(const char *name)
static struct cgroup *evlist__find_cgroup(struct perf_evlist *evlist, const char *str)
{
struct perf_evsel *counter;
- struct cgroup *cgrp = NULL;
/*
* check if cgrp is already defined, if so we reuse it
*/
evlist__for_each_entry(evlist, counter) {
if (!counter->cgrp)
continue;
- if (!strcmp(counter->cgrp->name, str)) {
- cgrp = cgroup__get(counter->cgrp);
- break;
- }
+ if (!strcmp(counter->cgrp->name, str))
+ return cgroup__get(counter->cgrp);
}
- return cgrp;
+ return NULL;
}
static struct cgroup *cgroup__new(const char *name)