From: Dmitry Torokhov <dtor_core@ameritech.net>
To: Jean Delvare <khali@linux-fr.org>
Cc: Russell King <rmk+lkml@arm.linux.org.uk>,
Greg KH <greg@kroah.com>, LKML <linux-kernel@vger.kernel.org>,
Alessandro Zummo <alessandro.zummo@towertech.it>
Subject: Re: More platform driver questions
Date: Tue, 13 Dec 2005 02:23:12 -0500 [thread overview]
Message-ID: <200512130223.13178.dtor_core@ameritech.net> (raw)
In-Reply-To: <20051213081752.5de5eef4.khali@linux-fr.org>
Hi Jean,
On Tuesday 13 December 2005 02:17, Jean Delvare wrote:
> Now the question is, is there actually any race condition there? In my
> case, the only users of the driver data are the sysfs callback
> functions, so I guess that this is all down to whether the driver core
> will unregister them before platform_driver.remove is called, or after
> it is called. If .remove is called first, then yes my code is racy and
> I'll have to fix it.
Remove might be called first if sysfs attributes were open at the time
platform_device_unregister was issued. The only thing that is guaranteed
that ->release() is called only when last reference to kobject was dropped.
--
Dmitry
prev parent reply other threads:[~2005-12-13 7:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-11 21:00 More platform driver questions Jean Delvare
2005-12-11 22:10 ` Russell King
2005-12-12 0:41 ` Dmitry Torokhov
2005-12-13 7:17 ` Jean Delvare
2005-12-13 7:23 ` Dmitry Torokhov [this message]
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