From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vasily Averin Subject: [PATCH] e1000: IRQ resource cleanup Date: Sun, 20 Aug 2006 00:14:51 +0400 Message-ID: <44E7713B.30209@sw.ru> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------020006090201000603050606" Return-path: Received: from mailhub.sw.ru ([195.214.233.200]:42522 "EHLO relay.sw.ru") by vger.kernel.org with ESMTP id S1751504AbWHSUOr (ORCPT ); Sat, 19 Aug 2006 16:14:47 -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. --------------020006090201000603050606 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit patch updated: It seems for me e1000_power_down_phy() should be added to rollbacke1000_power_up_phy(). I know, currently e1000_up() always return success. But this behaviour may be changed in future... Andrew, could you please use attached patch instead previous version? --- 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 --------------020006090201000603050606 Content-Type: text/plain; name="diff-e1000-irqleak-20060819" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="diff-e1000-irqleak-20060819" --- linux-2.6.18-rc4/drivers/net/e1000/e1000_main.c.oirq1 2006-08-19 22:57:02.000000000 +0400 +++ linux-2.6.18-rc4/drivers/net/e1000/e1000_main.c 2006-08-19 23:02:45.000000000 +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 +1229,9 @@ e1000_open(struct net_device *netdev) return E1000_SUCCESS; err_up: + e1000_power_down_phy(adapter); + e1000_free_irq(adapter); +err_req_irq: e1000_free_all_rx_resources(adapter); err_setup_rx: e1000_free_all_tx_resources(adapter); --------------020006090201000603050606--