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From: Tilman Schmidt <tilman@imap.cc>
To: Greg KH <greg@kroah.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Karsten Keil <kkeil@suse.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	i4ldeveloper@listserv.isdn4linux.de,
	linux-serial@vger.kernel.org, Hansjoerg Lipp <hjlipp@web.de>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH] drivers/isdn/gigaset: new M101 driver
Date: Tue, 13 Feb 2007 00:49:58 +0100	[thread overview]
Message-ID: <45D0FD26.9030804@imap.cc> (raw)
In-Reply-To: <20070212184712.GC32607@kroah.com>

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Am 12.02.2007 19:47 schrieb Greg KH:

>>>>> +static void gigaset_device_release(struct device *dev)
>>>>> +{
>>>>> +	//FIXME anything to do? cf. platform_device_release()
>>>>> +}

> The memory of the platform device itself needs to be freed here,
> otherwise, to do it earlier would cause race conditions and oopses.

I don't do it earlier. I do it later. My platform_device structure
is part of my driver's device state structure which is freed
explicitly later after the call to platform_device_unregister().
Is that bad?

> Look at how the other platform drivers do things.

They do things differently from each other as well as from mine.
block/floppy.c, for example, just has a call to complete() there.

Anyway, in the latest version of my driver, its platform_device
release function finally does something, too: it frees
dev->platform_data and pdev->resource just in case something
might have materialized there. I hope that's ok.

Regards,
Tilman

-- 
Tilman Schmidt                          E-Mail: tilman@imap.cc
Bonn, Germany
Diese Nachricht besteht zu 100% aus wiederverwerteten Bits.
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  reply	other threads:[~2007-02-12 23:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200702012112.l11LCOO4016557@lx1.pxnet.com>
2007-02-02  1:13 ` Andrew Morton
2007-02-03 16:09   ` Greg KH
2007-02-04  0:26     ` Tilman Schmidt
2007-02-12 18:47       ` Greg KH
2007-02-12 23:49         ` Tilman Schmidt [this message]
2007-02-04  1:32   ` Tilman Schmidt
2007-02-04  1:56     ` Andrew Morton
2007-02-05  1:42       ` Tilman Schmidt
2007-02-05  4:58         ` Andrew Morton
2007-02-05 12:29           ` Tilman Schmidt

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