netdev - Re: [PATCH 0/2] linux-wpan-next: lowpan_rcv - skb is freed within function and fix return values.

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Message-ID: <20140731135945.GB17560@tuxdriver.com>
Date:	Thu, 31 Jul 2014 09:59:46 -0400
From:	"John W. Linville" <linville@...driver.com>
To:	Marcel Holtmann <marcel@...tmann.org>
Cc:	Alexander Aring <alex.aring@...il.com>,
	Martin Townsend <mtownsend1973@...il.com>,
	linux-zigbee-devel@...ts.sourceforge.net,
	BlueZ development <linux-bluetooth@...r.kernel.org>,
	Martin Townsend <martin.townsend@...lon.com>,
	Network Development <netdev@...r.kernel.org>,
	"linux-wireless@...r.kernel.org Wireless" 
	<linux-wireless@...r.kernel.org>
Subject: Re: [PATCH 0/2] linux-wpan-next: lowpan_rcv - skb is freed within
 function and fix return values.

On Wed, Jul 30, 2014 at 11:32:16AM -0700, Marcel Holtmann wrote:
> Hi Alex,
> 
> >>> Currently it is up to the functions below lowpan_rcv to free the skb on error
> >>>   conditions.  This patch now removes all the UAPI error codes and process data
> >>>   now returns -1 if there is a problem.  In this scenario lowpan_rcv will free
> >>>   the skb and return NET_RX_DROP.  This also fixes the problem where
> >>>   NET_RX_SUCCESS is returned on error
> >>> 
> >>> Martin Townsend (2):
> >>> Remove dev parameter from skb_delivery_cb in 6lowpan.
> >>> Change lowpan_rcv so skb is freed within function and fix return
> >>>   values.
> >>> 
> >>> include/net/6lowpan.h         |  4 ++--
> >>> net/6lowpan/iphc.c            | 37 ++++++++++++++++++------------------
> >>> net/bluetooth/6lowpan.c       | 21 ++++++++++-----------
> >>> net/ieee802154/6lowpan_rtnl.c | 44 +++++++++++++++++++++----------------------
> >>> 4 files changed, 52 insertions(+), 54 deletions(-)
> >> 
> >> I can not take these patches at this point.
> >> 
> >> checking file net/ieee802154/6lowpan_rtnl.c
> >> Hunk #1 FAILED at 143.
> >> Hunk #2 succeeded at 480 (offset -4 lines).
> >> 1 out of 2 hunks FAILED
> >> 
> >> We need to get the IEEE 802.15.4 changes merged through John's wireless-next tree. IEEE 802.15.4 going straight into net-next and Bluetooth going into wireless-next will not work out smoothly when both technologies are now utilizing 6LoWPAN and we are heavily working on 6LoWPAN.
> >> 
> > 
> > I already told Martin that these patches should be based on bluetooth
> > (better bluetooth-next, 802.15.4 hasn't a real stable strategie and there
> > are also some known other issues in the current implementation). I don't
> > think that the current implementation is used in a real environment.
> > 
> > I get this patch-series in a resend of this series, after Martin
> > subscribed the linux-zigbee-devel mailinglist, then I told Martin that I
> > need some time for review and he want to resend them tomorrow or friday.
> > The resend should based on bluetooth-next then, if this is okay for you.
> 
> if patches are based on bluetooth-next, then we have no problem here. I can easily merge them.

Does that resolve it?  That probably won't make 3.17, fwiw...

-- 
John W. Linville		Someday the world will need a hero, and you
linville@...driver.com			might be all we have.  Be ready.
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