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cgroup: remove a NULL check in cgroup_exit()

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init_task.cgroups is initialized at boot phase, and whenver a ask
is forked, it's cgroups pointer is inherited from its parent, and
it's never set to NULL afterwards.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Li Zefan 2013-01-24 14:43:51 +08:00 committed by Tejun Heo
parent 2739d3cce9
commit b5d646f5d5
1 changed files with 1 additions and 2 deletions
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kernel/cgroup.c
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@ -4994,7 +4994,6 @@ void cgroup_exit(struct task_struct *tsk, int run_callbacks)
} }
task_unlock(tsk); task_unlock(tsk);
if (cg)
put_css_set_taskexit(cg); put_css_set_taskexit(cg);
} }