Re: [PATCH net] sctp: fix double EPs display in sctp_diag

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From: Xin Long <lucien.xin@xxxxxxxxx>
Date: Thu, 26 May 2016 03:09:23 +0800

> We have this situation: that EP hash table, contains only the EPs
> that are listening, while the transports one, has the opposite.
> We have to traverse both to dump all.
> 
> But when we traverse the transports one we will also get EPs that are
> in the EP hash if they are listening. In this case, the EP is dumped
> twice.
> 
> We will fix it by checking if the endpoint that is in the endpoint
> hash table contains any ep->asoc in there, as it means we will also
> find it via transport hash, and thus we can/should skip it, depending
> on the filters used, like 'ss -l'.
> 
> Still, we should NOT skip it if the user is listing only listening
> endpoints, because then we are not traversing the transport hash.
> so we have to check idiag_states there also.
> 
> Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>

Applied.
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