linux-kernel - Re: [PATCH v3 1/9] device core: add BUS_NOTIFY_DRIVER_NOT

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Message-ID: <1449485853.15393.193.camel@linux.intel.com>
Date:	Mon, 07 Dec 2015 12:57:33 +0200
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Andy Shevchenko <andy.shevchenko@...il.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	Vinod Koul <vinod.koul@...el.com>,
	dmaengine <dmaengine@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: Re: [PATCH v3 1/9] device core: add BUS_NOTIFY_DRIVER_NOT_BOUND
 notification

On Mon, 2015-12-07 at 02:31 +0100, Rafael J. Wysocki wrote:
> On Saturday, December 05, 2015 08:36:22 AM Greg Kroah-Hartman wrote:
> > On Sat, Dec 05, 2015 at 06:24:05PM +0200, Andy Shevchenko wrote:
> > > On Sat, Dec 5, 2015 at 6:14 PM, Greg Kroah-Hartman
> > > <gregkh@...uxfoundation.org> wrote:
> > > > On Fri, Dec 04, 2015 at 11:49:17PM +0200, Andy Shevchenko
> > > > wrote:
> > > > > The users of BUS_NOTIFY_BIND_DRIVER have no chance to do any
> > > > > cleanup in case of
> > > > > a probe failure. In the result there might be problems, such
> > > > > as some resources
> > > > > that had been allocated will continue to be allocated and
> > > > > therefore lead to a
> > > > > resource leak.
> > > > > 
> > > > > Introduce a new notification to inform the subscriber that
> > > > > ->probe() failed. Do
> > > > > the same in case of failed device_bind_driver() call.
> > > > 
> > > > Ugh, I hate all these notifiers, but this one does make
> > > > sense...
> > > 
> > > Yeah, I'm not a fan of them either.
> > > 
> > > > Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > > 
> > > You meant Acked-by, didn't you?
> > 
> > Either works :)
> 
> Thanks!
> 
> Andy, what about if I put patches [1-6/9] into my queue for v4.5 now
> and
> the remaining ones will wait for Vinod to comment?

Yes, it's possible, but please don't forget the patch from http://www.s
pinics.net/lists/kernel/msg2119229.html. There also formally Acks from
Thomas and Ong, Boon Leong.

> 
> Thanks,
> Rafael
> 

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy

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