netdev - Re: [IPV4]: Add an 'rtable' field in struct sk_buff to alias 'dst' field and avoid casts

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Date:	Fri, 07 Mar 2008 00:01:41 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	David Miller <davem@...emloft.net>
CC:	netdev@...r.kernel.org
Subject: Re: [IPV4]: Add an 'rtable' field in struct sk_buff to alias 'dst'
 field and avoid casts

David Miller a écrit :
> From: Eric Dumazet <dada1@...mosbay.com>
> Date: Thu, 06 Mar 2008 00:30:02 +0100
> 
>> [IPV4]: Add an 'rtable' field in struct sk_buff to alias 'dst' field and avoid 
>> casts
>>
>> (Anonymous) unions can help us to avoid ugly casts.
>>
>> A common cast it the (struct rtable *)skb->dst one.
>>
>> Defining an union like  :
>> union {
>>      struct dst_entry *dst;
>>      struct rtable *rtable;
>> };
>> permits to use dkb->rtable in place.
>>
>> Signed-off-by: Eric Dumazet <dada1@...mosbay.com>
>>
> 
> Applied with some minor changelog tidy and typo fixups.
> 
> Please make your changelog entry header lines smaller in
> the future.  People scan them in shortlog output and it's
> less readable if it's wider than standard terminal widths.

Thanks David, I'll try to shorten headers :)

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