[PATCH 18/53] drm/exynos: Convert to platform remove callback returning void

Uwe Kleine-König u.kleine-koenig at pengutronix.de
Mon May 15 09:16:02 UTC 2023


On Mon, May 15, 2023 at 04:32:00PM +0900, Inki Dae wrote:
> Hi,
> 
> 2023년 5월 8일 (월) 오전 1:27, Uwe Kleine-König <u.kleine-koenig at pengutronix.de>님이 작성:
> >
> > 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 (mostly) ignored
> > 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.
> >
> > Trivially convert the exynos drm drivers from always returning zero in
> > the remove callback to the void returning variant.
> 
> Could you please update exynos_drm_vidi.c also? Seems you missed.

This one cannot be trivially converted as vidi_remove() doensn't return
zero in all cases. I didn't grok the details about ctx->raw_edid and
don't know if skipping component_del() is right or not.

If you know the driver, feel free to address this.

Best regards
Uwe

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