From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Dmitry Kravkov" Subject: [PATCH net v2 6/6] bnx2x: prevent crash in shutdown flow with CNIC Date: Thu, 18 Jul 2013 00:45:12 +0300 Message-ID: <1374097512-19540-7-git-send-email-dmitry@broadcom.com> References: <1374097512-19540-1-git-send-email-dmitry@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit To: davem@davemloft.net, netdev@vger.kernel.org Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:2505 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756536Ab3GQVpn (ORCPT ); Wed, 17 Jul 2013 17:45:43 -0400 In-Reply-To: <1374097512-19540-1-git-send-email-dmitry@broadcom.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Yuval Mintz There might be a crash as during shutdown flow CNIC might try to access resources already freed by bnx2x. Change bnx2x_close() into dev_close() in __bnx2x_remove (shutdown flow) to guarantee CNIC is notified of the device's change of status. Signed-off-by: Dmitry Kravkov Signed-off-by: Ariel Elior Signed-off-by: Eilon Greenstein --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 9394b7d..2fdc8e6 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -12838,8 +12838,7 @@ static void __bnx2x_remove(struct pci_dev *pdev, unregister_netdev(dev); } else { rtnl_lock(); - if (netif_running(dev)) - bnx2x_close(dev); + dev_close(dev); rtnl_unlock(); } -- 1.8.1.4