From patchwork Fri Jun 3 15:52:18 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anirban Chakraborty X-Patchwork-Id: 98601 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 7FF59B6EE9 for ; Sat, 4 Jun 2011 01:59:34 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753538Ab1FCP73 (ORCPT ); Fri, 3 Jun 2011 11:59:29 -0400 Received: from vpn.pathscale.com ([198.186.3.75]:36456 "HELO mx.mv.qlogic.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with SMTP id S1753417Ab1FCP72 (ORCPT ); Fri, 3 Jun 2011 11:59:28 -0400 Received: from lnxdev-sm-001.mv.qlogic.com (dut6217.mv.qlogic.com [172.29.56.217]) by mx.mv.qlogic.com (Postfix) with ESMTP id 4B90C73322; Fri, 3 Jun 2011 08:59:28 -0700 (PDT) Received: by lnxdev-sm-001.mv.qlogic.com (Postfix, from userid 0) id 3C3AF14AC32; Fri, 3 Jun 2011 08:52:18 -0700 (PDT) From: Anirban Chakraborty To: davem@davemloft.net Cc: netdev@vger.kernel.org, Dept_NX_Linux_NIC_Driver , sucheta.chakraborty@qlogic.com, Anirban Chakraborty Subject: [PATCH] qlcnic: Avoid double free of skb in tx path Date: Fri, 3 Jun 2011 08:52:18 -0700 Message-Id: <1307116338-1686-1-git-send-email-anirban.chakraborty@qlogic.com> X-Mailer: git-send-email 1.6.0.2 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Sucheta Chakraborty buffer->skb should be marked NULL to avoid double free of the skb. Signed-off-by: Sucheta Chakraborty Signed-off-by: Anirban Chakraborty --- drivers/net/qlcnic/qlcnic_main.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index 3ab7d2c..0f6af5c 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -2159,6 +2159,7 @@ qlcnic_unmap_buffers(struct pci_dev *pdev, struct sk_buff *skb, nf = &pbuf->frag_array[0]; pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); + pbuf->skb = NULL; } static inline void