diff options
| author | Mandeep Singh Baines <msb@chromium.org> | 2011-12-15 14:21:26 -0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-12-19 09:14:30 -0800 |
| commit | 29e21368b9baf9c4b25060d65062da2dda926c70 (patch) | |
| tree | eb0d51c03f63b78317dbe329245ce7e40cb2261d /kernel | |
| parent | 52dcf8a1f8ac09b6ea21266ebdc4db6d52eea1fc (diff) | |
| download | lwn-29e21368b9baf9c4b25060d65062da2dda926c70.tar.gz lwn-29e21368b9baf9c4b25060d65062da2dda926c70.zip | |
cgroups: remove redundant get/put of css_set from css_set_check_fetched()
We already have a reference to all elements in newcg_list.
Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: containers@lists.linux-foundation.org
Cc: cgroups@vger.kernel.org
Cc: Paul Menage <paul@paulmenage.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cgroup.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 1b3b84174ead..bc3caff138d8 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2025,23 +2025,17 @@ static bool css_set_check_fetched(struct cgroup *cgrp, read_lock(&css_set_lock); newcg = find_existing_css_set(cg, cgrp, template); - if (newcg) - get_css_set(newcg); read_unlock(&css_set_lock); /* doesn't exist at all? */ if (!newcg) return false; /* see if it's already in the list */ - list_for_each_entry(cg_entry, newcg_list, links) { - if (cg_entry->cg == newcg) { - put_css_set(newcg); + list_for_each_entry(cg_entry, newcg_list, links) + if (cg_entry->cg == newcg) return true; - } - } /* not found */ - put_css_set(newcg); return false; } |