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List:       linux-sctp
Subject:    Re: [PATCH net] sctp: update dst pmtu with the correct daddr
From:       David Miller <davem () davemloft ! net>
Date:       2018-09-21 14:45:24
Message-ID: 20180921.074524.348596771582256001.davem () davemloft ! net
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From: Xin Long <lucien.xin@gmail.com>
Date: Fri, 21 Sep 2018 15:55:34 +0800

> It's under the protection of the sock lock, I think any other places
> that want to access the address also need to acquire this sock lock
> first.

Hash table lookups don't even have a socket context yet, so can't hold
the sock lock, but look at the address for comparisons.

Anything visible in a table lookup has to have stable keying
information.
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