From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: Justin Forbes <jmforbes@linuxtx.org>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
"Theodore Ts'o" <tytso@mit.edu>,
Randy Dunlap <rdunlap@xenotime.net>,
Dave Jones <davej@redhat.com>,
Chuck Wolber <chuckw@quantumlinux.com>,
torvalds@osdl.org, akpm@osdl.org, alan@lxorguk.ukuu.org.uk,
Alexander Patrakov <patrakov@ums.usu.ru>,
David Miller <davem@davemloft.net>,
Greg Kroah-Hartman <gregkh@suse.de>
Subject: [patch 05/22] : Fix hotplug race during device registration
Date: Thu, 20 Apr 2006 21:37:57 -0700 [thread overview]
Message-ID: <20060421043757.GF12846@kroah.com> (raw)
In-Reply-To: <20060421043706.GA12846@kroah.com>
[-- Attachment #1: fix-hotplug-race-during-device-registration.patch --]
[-- Type: text/plain, Size: 1289 bytes --]
From: Thomas de Grenier de Latour <degrenier@easyconnect.fr>
On Sun, 9 Apr 2006 21:56:59 +0400,
Sergey Vlasov <vsu@altlinux.ru> wrote:
> However, show_address() does not output anything unless
> dev->reg_state == NETREG_REGISTERED - and this state is set by
> netdev_run_todo() only after netdev_register_sysfs() returns, so in
> the meantime (while netdev_register_sysfs() is busy adding the
> "statistics" attribute group) some process may see an empty "address"
> attribute.
I've tried the attached patch, suggested by Sergey Vlasov on
hotplug-devel@, and as far as i can test it works just fine.
Signed-off-by: Alexander Patrakov <patrakov@ums.usu.ru>
Signed-off-by: David Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
net/core/dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.16.9.orig/net/core/dev.c
+++ linux-2.6.16.9/net/core/dev.c
@@ -2932,11 +2932,11 @@ void netdev_run_todo(void)
switch(dev->reg_state) {
case NETREG_REGISTERING:
+ dev->reg_state = NETREG_REGISTERED;
err = netdev_register_sysfs(dev);
if (err)
printk(KERN_ERR "%s: failed sysfs registration (%d)\n",
dev->name, err);
- dev->reg_state = NETREG_REGISTERED;
break;
case NETREG_UNREGISTERING:
--
next prev parent reply other threads:[~2006-04-21 4:47 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060421043353.602539000@blue.kroah.org>
2006-04-21 4:37 ` [patch 00/22] 2.6.16-stable review cycle Greg KH
2006-04-21 4:37 ` [patch 01/22] 3ware: kmap_atomic() fix Greg KH
2006-04-21 4:37 ` [patch 02/22] 3ware 9000 disable local irqs during kmap_atomic Greg KH
2006-04-21 4:37 ` [patch 03/22] efficeon-agp: Add missing memory mask Greg KH
2006-04-21 4:37 ` [patch 04/22] : Fix truesize underflow Greg KH
2006-04-21 4:37 ` Greg KH [this message]
2006-04-21 4:38 ` [patch 06/22] i2c-i801: Fix resume when PEC is used Greg KH
2006-04-21 4:38 ` [patch 07/22] MTD_NAND_SHARPSL and MTD_NAND_NANDSIM should be tristates Greg KH
2006-04-21 4:38 ` [patch 08/22] PPC: fix oops in alsa powermac driver Greg KH
2006-04-21 4:38 ` [patch 09/22] selinux: Fix MLS compatibility off-by-one bug Greg KH
2006-04-21 4:38 ` [patch 10/22] IPV6: Ensure to have hop-by-hop options in our header of &sk_buff Greg KH
2006-04-21 4:39 ` [patch 11/22] IPV6: XFRM: Dont use old copy of pointer after pskb_may_pull() Greg KH
2006-04-21 4:39 ` [patch 12/22] IPV6: XFRM: Fix decoding session with preceding extension header(s) Greg KH
2006-04-21 4:39 ` [patch 13/22] x86: dont allow tail-calls in sys_ftruncate() Greg KH
2006-04-21 4:39 ` [patch 18/22] Fix file lookup without ref Greg KH
2006-04-21 4:39 ` [patch 17/22] IPC: access to unmapped vmalloc area in grow_ary() Greg KH
2006-04-21 4:39 ` [patch 16/22] m41t00: fix bitmasks when writing to chip Greg KH
2006-04-21 4:39 ` [patch 15/22] Open IPMI BT overflow Greg KH
2006-04-21 4:39 ` [patch 14/22] x86: be careful about tailcall breakage for sys_opentoo Greg KH
2006-04-21 4:39 ` [patch 22/22] Add more prevent_tail_call() Greg KH
2006-04-21 4:39 ` [patch 21/22] alim15x3: ULI M-1573 south Bridge support Greg KH
2006-04-21 4:40 ` [patch 20/22] apm: fix Armada laptops again Greg KH
2006-04-21 4:40 ` [patch 19/22] fbdev: Fix return error of fb_write Greg KH
2006-04-21 12:53 [patch 05/22] : Fix hotplug race during device registration Chris Rankin
2006-04-21 13:19 ` Alexander E. Patrakov
2006-04-21 14:54 ` Chris Rankin
2006-04-21 13:21 ` Alexander E. Patrakov
2006-04-21 13:52 ` Chris Rankin
2006-04-21 17:44 ` Stephen Hemminger
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