netdev - Re: [PATCH net-next] l2tp: define helper for parsing struct sockaddr

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Message-Id: <20180628.160710.1852747341470803055.davem@davemloft.net>
Date:   Thu, 28 Jun 2018 16:07:10 +0900 (KST)
From:   David Miller <davem@...emloft.net>
To:     g.nault@...halink.fr
Cc:     netdev@...r.kernel.org, jchapman@...alix.com
Subject: Re: [PATCH net-next] l2tp: define helper for parsing struct
 sockaddr_pppol2tp*

From: Guillaume Nault <g.nault@...halink.fr>
Date: Tue, 26 Jun 2018 18:41:36 +0200

> 'sockaddr_len' is checked against various values when entering
> pppol2tp_connect(), to verify its validity. It is used again later, to
> find out which sockaddr structure was passed from user space. This
> patch combines these two operations into one new function in order to
> simplify pppol2tp_connect().
> 
> A new structure, l2tp_connect_info, is used to pass sockaddr data back
> to pppol2tp_connect(), to avoid passing too many parameters to
> l2tp_sockaddr_get_info(). Also, the first parameter is void* in order
> to avoid casting between all sockaddr_* structures manually.
> 
> Signed-off-by: Guillaume Nault <g.nault@...halink.fr>

Applied.