netdev - Re: [PATCH net-next v2 2/6] 6lowpan: fix fragmentation on sending side

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Message-Id: <20140224.203138.676703794377468037.davem@davemloft.net>
Date:	Mon, 24 Feb 2014 20:31:38 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	alex.aring@...il.com
Cc:	alex.bluesman.smirnov@...il.com, dbaryshkov@...il.com,
	linux-zigbee-devel@...ts.sourceforge.net, netdev@...r.kernel.org,
	martin.townsend@...lon.com
Subject: Re: [PATCH net-next v2 2/6] 6lowpan: fix fragmentation on sending
 side

From: Alexander Aring <alex.aring@...il.com>
Date: Tue, 25 Feb 2014 02:21:57 +0100

> In this case I can be sure we talking with ARPHRD_IEEE802154 devices only.

This doesn't mean anything.

The qdisc layer can be involved no matter what.  Once you call
dev_queue_xmit(), all bets are off wrt. the SKB control block.
It is not your's to use past that point.

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