linux-kernel - Re: [PATCH 03/10] net: add IEEE 802.15.4 socket family implementation

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Message-ID: <20090604134455.GB2839@tuxdriver.com>
Date:	Thu, 4 Jun 2009 09:46:06 -0400
From:	"John W. Linville" <linville@...driver.com>
To:	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org, slapin@...fans.org,
	maxim.osipov@...mens.com, dmitry.baryshkov@...mens.com,
	oliver.fendt@...mens.com
Subject: Re: [PATCH 03/10] net: add IEEE 802.15.4 socket family
	implementation

On Thu, Jun 04, 2009 at 03:16:34PM +0400, Dmitry Eremin-Solenikov wrote:
> On Wed, Jun 03, 2009 at 05:32:14PM -0700, Andrew Morton wrote:
> > On Mon,  1 Jun 2009 18:54:44 +0400
> > Dmitry Eremin-Solenikov <dbaryshkov@...il.com> wrote:

> > > +	switch (addr->addr_type) {
> > > +	case IEEE802154_ADDR_LONG:
> > > +		rtnl_lock();
> > > +		dev = dev_getbyhwaddr(net, ARPHRD_IEEE802154, addr->hwaddr);
> > > +		if (dev)
> > > +			dev_hold(dev);
> > > +		rtnl_unlock();
> > > +		break;
> > > +	case IEEE802154_ADDR_SHORT:
> > > +		if (addr->pan_id != 0xffff && addr->short_addr != IEEE802154_ADDR_UNDEF && addr->short_addr != 0xffff) {
> > > +			struct net_device *tmp;
> > > +
> > > +			rtnl_lock();
> > > +
> > > +			for_each_netdev(net, tmp) {
> > > +				if (tmp->type == ARPHRD_IEEE802154) {
> > > +					if (IEEE802154_MLME_OPS(tmp)->get_pan_id(tmp) == addr->pan_id
> > > +					  && IEEE802154_MLME_OPS(tmp)->get_short_addr(tmp) == addr->short_addr) {
> > 
> > You must use very wide xterms :(
> 
> ~120 chars in width :)  We prefer to have a single code line split between
> several screen lines, rather than split it manually in some weird places
> just to justify width of 80 chars.

Hopefully you realize that many find this difficult to read -- I just
can't spread my eyes far enough to comprehend the lines.

80 chars is not a hard limit, but it is a good goal.  120 is too wide.

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@...driver.com			might be all we have.  Be ready.
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