Return-Path: Date: Thu, 31 Jul 2014 16:07:53 +0200 From: Alexander Aring To: "John W. Linville" Cc: Marcel Holtmann , Martin Townsend , linux-zigbee-devel@lists.sourceforge.net, BlueZ development , Martin Townsend , Network Development , "linux-wireless@vger.kernel.org Wireless" Subject: Re: [PATCH 0/2] linux-wpan-next: lowpan_rcv - skb is freed within function and fix return values. Message-ID: <20140731140751.GA10599@omega> References: <1406732105-17500-1-git-send-email-martin.townsend@xsilon.com> <20140730182738.GA21664@omega> <362B23B3-72BB-4E0E-9E06-ABD19C1F2BEF@holtmann.org> <20140731135945.GB17560@tuxdriver.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 In-Reply-To: <20140731135945.GB17560@tuxdriver.com> List-ID: Hi, On Thu, Jul 31, 2014 at 09:59:46AM -0400, John W. Linville wrote: > 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... > there are some issues on this patch series. Martin need to work on and resend them as v2. I told about the issues on an another thread which should be the same series. I don't get exactly this patch series, I think Marcel add me in CC later. So it needs some time anyway. Thanks. - Alex