From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 1/1 v2 net] net: fec: fix kernel oops when plug/unplug cable many times Date: Tue, 30 Apr 2013 15:35:28 -0400 (EDT) Message-ID: <20130430.153528.689893142405978330.davem@davemloft.net> References: <1367118508-12340-1-git-send-email-Frank.Li@freescale.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: romieu@fr.zoreil.com, r.schwebel@pengutronix.de, l.stach@pengutronix.de, netdev@vger.kernel.org, festevam@gmail.com, shawn.guo@linaro.org, lznuaa@gmail.com To: Frank.Li@freescale.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:52521 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932746Ab3D3Tfa (ORCPT ); Tue, 30 Apr 2013 15:35:30 -0400 In-Reply-To: <1367118508-12340-1-git-send-email-Frank.Li@freescale.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Frank Li Date: Sun, 28 Apr 2013 11:08:28 +0800 > @@ -403,6 +403,12 @@ fec_restart(struct net_device *ndev, int duplex) > const struct platform_device_id *id_entry = > platform_get_device_id(fep->pdev); > int i; > + if (netif_running(ndev)) { > + napi_disable(&fep->napi); > + netif_stop_queue(ndev); > + netif_tx_lock(ndev); > + } > + > u32 temp_mac[2]; > u32 rcntl = OPT_FRAME_SIZE | 0x04; > u32 ecntl = 0x2; /* ETHEREN */ Please don't put real statements in the middle of function variable declarations. Thanks.