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Date:   Fri, 17 Nov 2023 11:21:30 -0800
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Subject: Re: [PATCH wifi-next 6/6] wifi: mt76: Convert to platform remove
 callback returning void
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To:     =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>,
        Kalle Valo <kvalo@kernel.org>
CC:     Felix Fietkau <nbd@nbd.name>,
        Lorenzo Bianconi <lorenzo@kernel.org>,
        Ryder Lee <ryder.lee@mediatek.com>,
        Shayne Chen <shayne.chen@mediatek.com>,
        Sean Wang <sean.wang@mediatek.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        Simon Horman <horms@kernel.org>, Rob Herring <robh@kernel.org>,
        Wang Yufen <wangyufen@huawei.com>,
        Peter Chiu <chui-hao.chiu@mediatek.com>,
        Alexander Couzens <lynxis@fe80.eu>,
        Jinjie Ruan <ruanjinjie@huawei.com>,
        <linux-wireless@vger.kernel.org>, <kernel@pengutronix.de>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-mediatek@lists.infradead.org>
References: <20231117093056.873834-8-u.kleine-koenig@pengutronix.de>
 <20231117093056.873834-14-u.kleine-koenig@pengutronix.de>
From:   Jeff Johnson <quic_jjohnson@quicinc.com>
In-Reply-To: <20231117093056.873834-14-u.kleine-koenig@pengutronix.de>
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On 11/17/2023 1:31 AM, 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 the three mt76 drivers from always returning zero in
> the remove callback to the void returning variant.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
not my driver but since it is trivial
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>