netdev - Re: [PATCH] lib/vsprintf.c: Add %pMF to format FDDI bit reversed MAC addresses

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Message-ID: <20100108000843.GI2436@verge.net.au>
Date:	Fri, 8 Jan 2010 11:08:48 +1100
From:	Simon Horman <horms@...ge.net.au>
To:	David Miller <davem@...emloft.net>
Cc:	macro@...ux-mips.org, joe@...ches.com,
	hartleys@...ionengravers.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] lib/vsprintf.c: Add %pMF to format FDDI bit reversed
 MAC addresses

On Thu, Jan 07, 2010 at 02:09:42PM -0800, David Miller wrote:
> From: "Maciej W. Rozycki" <macro@...ux-mips.org>
> Date: Thu, 7 Jan 2010 20:42:12 +0000 (GMT)
> 
> >  What's the gain?  I'd be rather conservative when taking everybody's 56 
> > bytes for one or two drivers hardly anybody uses.  The format of MAC 
> > addresses is unlikely to change, so I'd say the sources can live with 
> > one or two places where the strings are formatted manually.  Even if the 
> > drivers lose more than these 56 bytes.
> 
> We gain consistency.  You know, the part that's completely bolixed
> right now?
> 
> I'm applying Joe's patch and followon patches to make the driver's
> use the new printf format.

In the vein of this, would it be worth adding some modifier to %i4 to
print addresses for ftp helpers? That is, %u,%u,%u,%u. I think
there are currently two users of that format string after Joe's latest
round of updates.

The users are net/netfilter/ipvs/ip_vs_ftp.c and
net/ipv4/netfilter/nf_nat_ftp.c. Prior to Joe's latest
changes ip_vs_ftp.c used %d,%d,%d,%d.
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