netdev - RE: [PATCH 1/7] net: refactor __netif_receive_skb

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Date:	Wed, 15 Apr 2015 12:44:23 +0000
From:	David Laight <David.Laight@...LAB.COM>
To:	'Alexander Duyck' <alexander.duyck@...il.com>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	"netfilter-devel@...r.kernel.org" <netfilter-devel@...r.kernel.org>
CC:	"kaber@...sh.net" <kaber@...sh.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>
Subject: RE: [PATCH 1/7] net: refactor __netif_receive_skb_core

From: Alexander Duyck
> Sent: 10 April 2015 20:56
> On 04/10/2015 05:15 AM, Pablo Neira Ayuso wrote:
> > +another_round:
> > +	ret = __netif_receive_skb_ingress(skb, pfmemalloc, orig_dev);
> > +	switch (ret) {
> > +	case NET_RX_SUCCESS:
> > +	case NET_RX_DROP:
> > +		break;
> > +	case __NET_RX_ANOTHER_ROUND:
> > +		goto another_round;
> > +	}
> >  	rcu_read_unlock();
> > +
> >  	return ret;
> >  }
> >
> >
> 
> Couldn't this just be done as a do while?  It would probably be easier
> to read and there wouldn't be any need for the another_round label anymore.

Or an infinite loop with a break at the bottom, as in:
	for (;;) {
		switch (...) {
		case again:
			continue;
		default:
			break;
		}
		break;
	}

	David

			
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