Return-path: Received: from mail-ob0-f176.google.com ([209.85.214.176]:49697 "EHLO mail-ob0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751045AbaL1GPg (ORCPT ); Sun, 28 Dec 2014 01:15:36 -0500 Message-ID: <549FA005.7050802@lwfinger.net> (sfid-20141228_071545_235193_1E3909D8) Date: Sun, 28 Dec 2014 00:15:33 -0600 From: Larry Finger MIME-Version: 1.0 To: Kalle Valo CC: linux-wireless@vger.kernel.org, netdev@vger.kernel.org, Stable , Eric Biggers Subject: Re: [PATCH 23/23 V2 for 3.19] rtlwifi: Fix error when accessing unmapped memory in skb References: <1419711457-21469-1-git-send-email-Larry.Finger@lwfinger.net> <87a928726w.fsf@kamboji.qca.qualcomm.com> In-Reply-To: <87a928726w.fsf@kamboji.qca.qualcomm.com> Content-Type: text/plain; charset=windows-1252; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 12/27/2014 11:50 PM, Kalle Valo wrote: > Larry Finger writes: > >> These drivers use 9100-byte receive buffers, thus allocating an skb requires >> an O(3) memory allocation. Under heavy memory loads and fragmentation, such >> a request can fail. Previous versions of the driver have dropped the packet >> and reused the old buffer; however, the new version introduced a bug in that >> it released the old buffer before trying to allocate a new one. The previous >> method is implemented here. >> >> Signed-off-by: Larry Finger >> Cc: Stable [v3.18] >> Reported-by: Eric Biggers >> Cc: Eric Biggers >> --- >> >> V2 - Fixes an error in the logic of V1. Realtek is working on a change to >> the RX buffer allocation, but that is likely to be too invasive for >> a fix to -rc or stable. In the meantime, this will help. > > 23/23? Where are patches 1-22? I don't see them in patchwork: > > https://patchwork.kernel.org/project/linux-wireless/list/ Sorry. I forgot to edit the subject line. To get git to format that one patch, I had to generate a total of 23. There is only 1 of 1 that will be submitted. Larry