In article <20080413.222629.180789339.davem@davemloft.net> (at Sun, 13 Apr 2008 22:26:29 -0700 (PDT)), David Miller <davem@davemloft.net> says:

quoted text
> From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
> Date: Wed, 09 Apr 2008 00:46:32 +0900 (JST)
> 
> > We cannot rely on sizeof(struct ipv6_opt_hdr) when we are handling
> > wire format, because it may not be 2 but 4 on some architectures.
> > On such a architecture, the result can be different from what we
> > actually expect.
> > 
> > Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
> 
> Please just mark the structure with "packed" attribute.

Sure!

--yoshfuji
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