netdev - Re: [PATCH net-next] netlink: remove duplicated NLMSG

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Date:	Tue, 26 Mar 2013 11:13:47 +0000
From:	Thomas Graf <tgraf@...g.ch>
To:	Hong Zhiguo <honkiko@...il.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net,
	stephen@...workplumber.org, zhiguo.hong@....com
Subject: Re: [PATCH net-next] netlink: remove duplicated NLMSG_ALIGN

On 03/26/13 at 01:04pm, Hong Zhiguo wrote:
> NLMSG_HDRLEN is already aligned value. It's for directly reference
> without extra alignment.
> 
> The redundant alignment here may confuse the API users.
> 
> Signed-off-by: Hong Zhiguo <honkiko@...il.com>

Acked-by: Thomas Graf <tgraf@...g.ch>

This is actually an obsoleted API that we only want to keep around
for backwards compatibility with user space. It would be great to
replace all in kernel usages of NLMSG_LENGTH() with the type safe
variants nlmsg_*() in <net/netlink.h>
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