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authorTejun Heo <tj@kernel.org>2012-11-05 09:16:59 -0800
committerTejun Heo <tj@kernel.org>2012-11-05 09:16:59 -0800
commitbcf6de1b9129531215d26dd9af8331e84973bc52 (patch)
tree0666760423e4579a50a7752568036a13e0cfa9d5 /kernel/cgroup.c
parent9d093cb10eb482adfba6ddc71a0969b78823ee8b (diff)
downloadop-kernel-dev-bcf6de1b9129531215d26dd9af8331e84973bc52.zip
op-kernel-dev-bcf6de1b9129531215d26dd9af8331e84973bc52.tar.gz
cgroup: make ->pre_destroy() return void
All ->pre_destory() implementations return 0 now, which is the only allowed return value. Make it return void. Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: Michal Hocko <mhocko@suse.cz> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Li Zefan <lizefan@huawei.com> Cc: Balbir Singh <bsingharora@gmail.com> Cc: Vivek Goyal <vgoyal@redhat.com>
Diffstat (limited to 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index c5f6fb2..83cd7d0 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4054,7 +4054,7 @@ static int cgroup_rmdir(struct inode *unused_dir, struct dentry *dentry)
mutex_unlock(&cgroup_mutex);
for_each_subsys(cgrp->root, ss)
if (ss->pre_destroy)
- WARN_ON_ONCE(ss->pre_destroy(cgrp));
+ ss->pre_destroy(cgrp);
mutex_lock(&cgroup_mutex);
/*
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