linux-kernel - Re: [PATCH] drivers/net/pch

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Date:	Tue, 31 Aug 2010 18:38:45 -0700
From:	Joe Perches <joe@...ches.com>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	Masayuki Ohtake <masa-korg@....okisemi.com>,
	Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>,
	ML netdev <netdev@...r.kernel.org>,
	Greg Rose <gregory.v.rose@...el.com>,
	Maxime Bizon <mbizon@...ebox.fr>,
	Kristoffer Glembo <kristoffer@...sler.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	John Linn <john.linn@...inx.com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	"David S. Miller" <davem@...emloft.net>,
	MeeGo <meego-dev@...go.com>, "Wang, Qi" <qi.wang@...el.com>,
	"Wang, Yong Y" <yong.y.wang@...el.com>,
	Andrew <andrew.chih.howe.khor@...el.com>,
	Intel OTC <joel.clark@...el.com>,
	"Foster, Margie" <margie.foster@...el.com>,
	Toshiharu Okada <okada533@....okisemi.com>,
	Tomoya Morinaga <morinaga526@....okisemi.com>,
	Takahiro Shimizu <shimizu394@....okisemi.com>
Subject: Re: [PATCH] drivers/net/pch_gbe: Cleanup stats use

On Tue, 2010-08-31 at 18:33 -0700, Stephen Hemminger wrote:
> On Tue, 31 Aug 2010 11:38:35 -0700
> Joe Perches <joe@...ches.com> wrote:
> 
> >  struct pch_gbe_stats {
> > -	signed char stat_string[ETH_GSTRING_LEN];
> > -	int sizeof_stat;
> > -	int stat_offset;
> > +	signed char string[ETH_GSTRING_LEN];
> > +	size_t size;
> > +	size_t offset;
> >  };
> 
> Is this driver really using 'signed char' here?
> Should just be 'char' for a simple string.

You're right.  Probably all the below should just be char.

$ grep -Pn "\bsigned\s+char\b" drivers/net/pch_gbe/*.[ch]
pch_gbe_ethtool.c:34:	signed char string[ETH_GSTRING_LEN];
pch_gbe_param.c:155:	signed char *name;
pch_gbe_param.c:156:	signed char *err;
pch_gbe_param.c:165:			struct pch_gbe_opt_list { int i; signed char *str; } *p;


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