From: Greg KH <gregkh@suse.de>
To: Sebastian Ott <sebott@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] driver-core: fix race between device_register and driver_register
Date: Tue, 12 Apr 2011 10:13:43 -0700 [thread overview]
Message-ID: <20110412171343.GA2745@suse.de> (raw)
In-Reply-To: <alpine.LFD.2.02.1104121903170.2025@c4eb>
On Tue, Apr 12, 2011 at 07:05:37PM +0200, Sebastian Ott wrote:
>
> When a device is registered to a bus it will be a) added to the list
> of devices of the bus and b) bind to a driver (if one matches). As a
> result of a driver being registered at this bus between a) and b) this
> device could already be bound to a driver. This leads to a warning
> and incorrect refcounting.
> To fix this add a check to device_attach to identify an already bound
> device.
>
> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Thanks, I'll queue this up for .40.
greg k-h
prev parent reply other threads:[~2011-04-12 17:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-11 14:04 sysfs: cannot create duplicate filename Sebastian Ott
2011-04-11 14:13 ` Greg KH
2011-04-11 14:33 ` Sebastian Ott
2011-04-11 14:49 ` Greg KH
2011-04-11 15:05 ` Sebastian Ott
2011-04-11 15:19 ` Greg KH
2011-04-11 17:50 ` Sebastian Ott
2011-04-11 17:56 ` Greg KH
2011-04-12 14:39 ` Sebastian Ott
2011-04-12 16:02 ` Greg KH
2011-04-12 17:05 ` [PATCH] driver-core: fix race between device_register and driver_register Sebastian Ott
2011-04-12 17:13 ` Greg KH [this message]
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