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Message-ID: <9c8711d9-e945-47f3-a555-663ef2851f50@quicinc.com>
Date:   Fri, 17 Nov 2023 11:19:48 -0800
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Subject: Re: [PATCH wifi-next 4/6] wifi: wcn36xx: 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:     Loic Poulain <loic.poulain@linaro.org>,
        <wcn36xx@lists.infradead.org>, <linux-wireless@vger.kernel.org>,
        <kernel@pengutronix.de>
References: <20231117093056.873834-8-u.kleine-koenig@pengutronix.de>
 <20231117093056.873834-12-u.kleine-koenig@pengutronix.de>
From:   Jeff Johnson <quic_jjohnson@quicinc.com>
In-Reply-To: <20231117093056.873834-12-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 this driver from always returning zero in the remove
> callback to the void returning variant.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>