Re: [PATCH] samples: qmi: Convert to platform remove callback returning void

From: Uwe Kleine-König
Date: Fri Apr 12 2024 - 08:20:25 EST


Hello Bjorn,

On Fri, Mar 08, 2024 at 09:51:21AM +0100, Uwe Kleine-König wrote:
> The .remove() callback for a platform driver returns an int which makes
> many driver authors wrongly assume it's possible to do error handling by
> returning an error code. However the value returned is ignored (apart
> from emitting a warning) and this typically results in resource leaks.
>
> To improve here there is a quest to make the remove callback return
> void. In the first step of this quest all drivers are converted to
> .remove_new(), which already returns void. Eventually after all drivers
> are converted, .remove_new() will be renamed to .remove().
>
> Trivially convert this driver from always returning zero in the remove
> callback to the void returning variant.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

This patch didn't receive any feedback yet, I guess because I used an
old email address for Bjorn. I updated the address for this mail now.

Would you consider applying this patch; please tell me if I should
resend.

Best regards
Uwe

--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | https://www.pengutronix.de/ |

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