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authorLi Zefan <lizefan@huawei.com>2013-01-24 14:43:51 +0800
committerTejun Heo <tj@kernel.org>2013-01-24 10:40:05 -0800
commitb5d646f5d5a135064232ff3a140a47a5b84bc911 (patch)
tree5fc28dda2515b0c7eede54ab0a687d7a9714240f /kernel/cgroup.c
parent2739d3cce9816805fe26774fea2527d5b16e924d (diff)
cgroup: remove a NULL check in cgroup_exit()
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>
Diffstat (limited to 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index ad3359f903f..8da9048078c 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4994,8 +4994,7 @@ void cgroup_exit(struct task_struct *tsk, int run_callbacks)
}
task_unlock(tsk);
- if (cg)
- put_css_set_taskexit(cg);
+ put_css_set_taskexit(cg);
}
/**