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由 Tejun Heo 提交于
ioctx_alloc() reaches inside percpu_ref and directly frees ->pcpu_count in its failure path, which is quite gross. percpu_ref has been providing a proper interface to do this, percpu_ref_cancel_init(), for quite some time now. Let's use that instead. This patch doesn't introduce any behavior changes. Signed-off-by: NTejun Heo <tj@kernel.org> Acked-by: NBenjamin LaHaise <bcrl@kvack.org> Cc: Kent Overstreet <kmo@daterainc.com>
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