From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vasily Averin Subject: [PATCH] e1000: ring buffers resources cleanup Date: Fri, 18 Aug 2006 19:23:43 +0400 Message-ID: <44E5DB7F.4040205@sw.ru> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------090301000203040009090007" Return-path: Received: from mailhub.sw.ru ([195.214.233.200]:8498 "EHLO relay.sw.ru") by vger.kernel.org with ESMTP id S1751398AbWHRPXg (ORCPT ); Fri, 18 Aug 2006 11:23:36 -0400 To: netdev@vger.kernel.org, Jeb Cramer , John Ronciak , Jesse Brandeburg , Jeff Kirsher , Auke Kok , Andrew Morton , Jeff Garzik , devel@openvz.org, e1000-devel@lists.sourceforge.net Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org This is a multi-part message in MIME format. --------------090301000203040009090007 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit irq leak was found in 2.6.18-rc4 and e1000 7.2.7 from sourceforge: if e1000_up fails in e1000_open() we do not free allocated irq Signed-off-by: Vasily Averin Thank you, Vasily Averin SWsoft Virtuozzo/OpenVZ Linux kernel team --------------090301000203040009090007 Content-Type: text/plain; name="diff-e1000-irqleak-20060818" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="diff-e1000-irqleak-20060818" --- linux-2.6.18-rc4/drivers/net/e1000/e1000_main.c.oirq 2006-08-18 18:53:05.000000000 +0400 +++ linux-2.6.18-rc4/drivers/net/e1000/e1000_main.c 2006-08-18 19:18:22.000000000 +0400 @@ -1208,7 +1208,7 @@ e1000_open(struct net_device *netdev) err = e1000_request_irq(adapter); if (err) - goto err_up; + goto err_req_irq; e1000_power_up_phy(adapter); @@ -1229,6 +1229,8 @@ e1000_open(struct net_device *netdev) return E1000_SUCCESS; err_up: + e1000_free_irq(adapter); +err_req_irq: e1000_free_all_rx_resources(adapter); err_setup_rx: e1000_free_all_tx_resources(adapter); --------------090301000203040009090007--