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

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Message-ID: <20151205161416.GA1215@kroah.com>
Date:	Sat, 5 Dec 2015 08:14:16 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	"Rafael J . Wysocki" <rjw@...ysocki.net>,
	linux-acpi@...r.kernel.org, Vinod Koul <vinod.koul@...el.com>,
	dmaengine@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
	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 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...

Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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