Re: [PATCH-2.4.26] ip6tables cleanup

From: David S. Miller
Date: Sun Mar 28 2004 - 15:17:10 EST

On 28 Mar 2004 21:27:09 +0200
Peter Osterlund <petero2@xxxxxxxxx> wrote:

> Willy TARREAU <willy@xxxxxxxxx> writes:
> > 2.4.26-rc1 returned this warning compiling ip6_tables :
> >
> > ip6_tables.c: In function `tcp_match':
> > ip6_tables.c:1596: warning: implicit declaration of function `ipv6_skip_exthdr'
> >
> > I had to add a cast because ipv6_skip_exthdr() expects a 'struct sk_buff*' while
> > its caller uses a 'const struct sk_buff*'. Here is a cleanup patch.
> I think it would be better to change the ipv6_skip_exthdr() function
> to take a const struct sk_buff* instead. Unnecessary casts are evil.

Yes, and I believe this is how I fixed this warning in the 2.6.x
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