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cgroup: fix memory leak in cgroup_mount()
We should free the memory allocated in parse_cgroupfs_options() before calling this function again. Signed-off-by: Li Zefan <lizefan@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>
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@ -1540,6 +1540,8 @@ static struct dentry *cgroup_mount(struct file_system_type *fs_type,
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if (!atomic_inc_not_zero(&root->top_cgroup.refcnt)) {
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mutex_unlock(&cgroup_mutex);
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mutex_unlock(&cgroup_tree_mutex);
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kfree(opts.release_agent);
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kfree(opts.name);
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msleep(10);
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goto retry;
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}
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