Re: [PATCH nf] netfilter: ctnetlink: remove unnecessary nf_conntrack_expect_lock protection

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On Sat, Apr 01, 2017 at 10:14:24PM +0800, Liping Zhang wrote:
> From: Liping Zhang <zlpnobody@xxxxxxxxx>
> 
> Currently, ctnetlink_change_helper() is always protected by _expect_lock,
> this is unnecessary, since the operations are unrelated to _expect_lock.
> 
> Also this will cause a deadlock when deleting the helper from a conntrack,
> as _expect_lock will be locked again by nf_ct_remove_expectations():

Applied.
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