diff options
| author | Li Zefan <lizefan@huawei.com> | 2013-03-12 15:36:00 -0700 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-03-12 15:36:00 -0700 |
| commit | 80f36c2a1a612ca419e5b864a7e4808e797d9feb (patch) | |
| tree | 80ec8f4a04ffbfe7675201b1292edbe96a93ea60 | |
| parent | 6ee211ad0a22869af81eef10845922ac4dcb2d38 (diff) | |
cgroup: remove useless code in cgroup_write_event_control()
eventfd_poll() never returns POLLHUP.
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | kernel/cgroup.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 29c77a71473..c7fe303b510 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -3937,12 +3937,6 @@ static int cgroup_write_event_control(struct cgroup *cgrp, struct cftype *cft, if (ret) goto fail; - if (efile->f_op->poll(efile, &event->pt) & POLLHUP) { - event->cft->unregister_event(cgrp, event->cft, event->eventfd); - ret = 0; - goto fail; - } - /* * Events should be removed after rmdir of cgroup directory, but before * destroying subsystem state objects. Let's take reference to cgroup |