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Re: [PATCH] bus: Make remove callback return void
- To: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
- From: Vinod Koul <vkoul@xxxxxxxxxx>
- Date: Tue, 6 Jul 2021 16:15:36 +0530
- Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, kernel@xxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Russell King <linux@xxxxxxxxxxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Geoff Levand <geoff@xxxxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, "Rafael J. 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- Delivery-date: Tue, 06 Jul 2021 10:47:19 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 06-07-21, 11:50, Uwe Kleine-König wrote:
> The driver core ignores the return value of this callback because there
> is only little it can do when a device disappears.
>
> This is the final bit of a long lasting cleanup quest where several
> buses were converted to also return void from their remove callback.
> Additionally some resource leaks were fixed that were caused by drivers
> returning an error code in the expectation that the driver won't go
> away.
>
> With struct bus_type::remove returning void it's prevented that newly
> implemented buses return an ignored error code and so don't anticipate
> wrong expectations for driver authors.
Acked-By: Vinod Koul <vkoul@xxxxxxxxxx>
--
~Vinod
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