linux-kernel - Re: [PATCH net v2] net: sched: do not requeue a NULL skb

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Message-ID: <1460384551.6473.551.camel@edumazet-glaptop3.roam.corp.google.com>
Date:	Mon, 11 Apr 2016 07:22:31 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Lars Persson <lars.persson@...s.com>
Cc:	Lars Persson <larper@...s.com>, netdev@...r.kernel.org,
	jhs@...atatu.com, linux-kernel@...r.kernel.org,
	xiyou.wangcong@...il.com
Subject: Re: [PATCH net v2] net: sched: do not requeue a NULL skb

On Mon, 2016-04-11 at 15:38 +0200, Lars Persson wrote:

> I though it would be prudent because the queue can be non-empty even for 
> the case of skb=NULL. So should it be there in this patch, another patch 
> or not at all ?

Then maybe change return code ?

It seems strange that a validate_xmit_skb_list() failure stops the
__qdisc_run() loop but schedules another round.