Subject: Re: [RFC PATCH 3/5] net/ipv4, net/ipv6: use %#p6, %p6 format
 strings
From: Joe Perches <joe@perches.com>
To: Harvey Harrison <harvey.harrison@gmail.com>
Cc: David Miller <davem@davemloft.net>,
       Johannes Berg <johannes@sipsolutions.net>,
       LKML <linux-kernel@vger.kernel.org>
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References: <1225166718.5526.18.camel@brick>
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Date: Mon, 27 Oct 2008 22:05:38 -0700
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On Mon, 2008-10-27 at 21:05 -0700, Harvey Harrison wrote:
> diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
> index eea9542..113c4d9 100644
> --- a/net/ipv6/addrconf.c
> +++ b/net/ipv6/addrconf.c
> @@ -2986,9 +2986,8 @@ static void if6_seq_stop(struct seq_file *seq, void *v)
>  static int if6_seq_show(struct seq_file *seq, void *v)
>  {
>  	struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v;
> -	seq_printf(seq,
> -		   NIP6_SEQFMT " %02x %02x %02x %02x %8s\n",
> -		   NIP6(ifp->addr),
> +	seq_printf(seq, "%#p6 %02x %02x %02x %02x %8s\n",
> +		   &ifp->addr,
>  		   ifp->idev->dev->ifindex,
>  		   ifp->prefix_len,
>  		   ifp->scope,

Is it really necessary to change the formats and arguments?

Perhaps it's enough to change the defines to:

#define NIP6_FMT "%6p"
#define NIP6_SEQFMT "%#6p"
#define NIP6(addr) &(addr)

If not, I think the NIP6 and NIP6_SEQFMT should be
separate patchsets for ease of verification.

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