netdev - Re: [RFC] r8169 : why SG / TX checksum are default disabled

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Message-ID: <20120718214422.GA18207@electric-eye.fr.zoreil.com>
Date:	Wed, 18 Jul 2012 23:44:22 +0200
From:	Francois Romieu <romieu@...zoreil.com>
To:	David Miller <davem@...emloft.net>
Cc:	hayeswang@...ltek.com, eric.dumazet@...il.com,
	netdev@...r.kernel.org
Subject: Re: [RFC] r8169 : why SG / TX checksum are default disabled

David Miller <davem@...emloft.net> :
[...]
> A NETDEV_TX_OK return means we accepted the SKB, it doesn't look like
> that's what you are doing in the skb_padto() failure path.

?

- skb_padto fails
  (original skb is implicitely freed)
- skb_padto returns error status (!= 0)
- rtl8169_tso_csum returns false
- start_xmit returns NETDEV_TX_OK. 

I'll search the missing "!" after some sleep if that's what you are talking
about. Otherwise than that, I don't get it.

-- 
Ueimor
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