netdev - Re: linux-next: Tree for Aug 7

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Date:	Wed, 07 Aug 2013 09:40:09 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Phil Sutter <phil@....cc>, Sedat Dilek <sedat.dilek@...il.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	wireless <linux-wireless@...r.kernel.org>,
	John Linville <linville@...driver.com>
Subject: Re: linux-next: Tree for Aug 7

On Wed, 2013-08-07 at 18:22 +0200, Johannes Berg wrote:

> Maybe. I haven't tested it, but I'm thinking that skb->data doesn't
> point to the start of the data frame in this case, since we now call
> eth_type_trans() which pulls the ethernet header. So if the device just
> transmits skb->len starting from skb->data, it'll be wrong, no? That
> seems a basic assumption though.

Yes, it seems calling eth_type_trans() is not right here, and even could
crash.

Sorry, for being vague, I am a bit busy this morning.




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