Re: [PATCH 3/4] gpu: host1x: Convert to platform remove callback returning void

From: Thierry Reding
Date: Fri Apr 19 2024 - 07:29:46 EST


On Tue Apr 9, 2024 at 7:02 PM CEST, 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>
> ---
> drivers/gpu/host1x/dev.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)

Acked-by: Thierry Reding <treding@xxxxxxxxxx>

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