From: Greg KH <greg@kroah.com>
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH][2.6][CFT] rmmod floppy kills box fixes + default_device_remove
Date: Mon, 8 Sep 2003 08:50:48 -0700 [thread overview]
Message-ID: <20030908155048.GA10879@kroah.com> (raw)
In-Reply-To: <Pine.LNX.4.53.0309072228470.14426@montezuma.fsmlabs.com>
On Sun, Sep 07, 2003 at 10:53:08PM -0400, Zwane Mwaikambo wrote:
> Randy gave me the courage to delve in there... now that i'm lost to the
> world here is one picked up from bugzilla;
>
> The crux of it is that the floppy driver isn't deleting timers before
> unloading itself. I've tested it locally somewhat, but the ioport
> busy looks very strange (although things do function). There is one part
> of this patch that i'd like Greg to look at, it's the
> default_device_release addition...
Ick, no, I do not want to see this function get added, sorry.
What happens if someone grabs the struct device reference by opening a
sysfs file and then you unload the module? Yeah, not nice. Please do
_not_ create "empty" release() functions, unless you _really_ know what
you are doing (and providing a "default" one like this is just ripe for
abuse, that warning message in the kernel is there for a reason.)
thanks,
greg k-h
next prev parent reply other threads:[~2003-09-08 15:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-08 2:53 [PATCH][2.6][CFT] rmmod floppy kills box fixes + default_device_remove Zwane Mwaikambo
2003-09-08 15:50 ` Greg KH [this message]
2003-09-08 21:27 ` Zwane Mwaikambo
2003-09-08 23:08 ` Greg KH
2003-09-09 11:50 ` Zwane Mwaikambo
2003-09-09 16:38 ` Zwane Mwaikambo
2003-09-09 17:13 ` Greg KH
2003-09-09 19:18 ` Zwane Mwaikambo
2003-09-09 19:45 ` John Levon
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