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From: Vasily Averin <vvs@sw.ru>
To: netdev@vger.kernel.org, Jeb Cramer <cramerj@intel.com>,
	John Ronciak <john.ronciak@intel.com>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
	Auke Kok <auke-jan.h.kok@intel.com>,
	Andrew Morton <akpm@osdl.org>, Jeff Garzik <jgarzik@pobox.com>,
	devel@openvz.org, e1000-devel@lists.sourceforge.net
Subject: [PATCH] e1000: ring buffers resources cleanup
Date: Fri, 18 Aug 2006 19:23:43 +0400	[thread overview]
Message-ID: <44E5DB7F.4040205@sw.ru> (raw)

[-- Attachment #1: Type: text/plain, Size: 241 bytes --]

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 <vvs@sw.ru>

Thank you,
	Vasily Averin
SWsoft Virtuozzo/OpenVZ Linux kernel team

[-- Attachment #2: diff-e1000-irqleak-20060818 --]
[-- Type: text/plain, Size: 593 bytes --]

--- 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);

             reply	other threads:[~2006-08-18 15:23 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-18 15:23 Vasily Averin [this message]
  -- strict thread matches above, loose matches on Subject: below --
2006-08-18 15:02 [PATCH] e1000: ring buffers resources cleanup Vasily Averin
     [not found] ` <1155917427.24835.57.camel@localhost>
2006-08-19 20:14   ` Vasily Averin

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