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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Jonathan Cameron <jic23@kernel.org>
Cc: Dan Robertson <dan@dlrobertson.com>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Michael Hennerich <Michael.Hennerich@analog.com>,
	Nicolas Ferre <nicolas.ferre@microchip.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Claudiu Beznea <claudiu.beznea@tuxon.dev>,
	Oleksij Rempel <o.rempel@pengutronix.de>,
	kernel@pengutronix.de, linux-iio@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Sean Nyekjaer <sean@geanix.com>
Subject: Re: [PATCH 6/6] iio: adc: ad5755: drop redundant devm_kfree()
Date: Sun, 7 Jul 2024 13:34:14 +0200	[thread overview]
Message-ID: <656f7294-7d69-4f4f-95c9-477ee507ca79@linaro.org> (raw)
In-Reply-To: <20240706115229.47b8d7fa@jic23-huawei>

On 06/07/2024 12:52, Jonathan Cameron wrote:
> On Fri, 05 Jul 2024 12:40:49 +0200
> Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> wrote:
> 
>> The driver calls ad5755_parse_fw() only from probe() function, so
>> devm_kfree() during error path is not necessary and only makes code
>> weirder.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> 
> The path this is in doesn't result in the driver failing to probe as it
> falls back to a const default structure.
> So whilst it's not a 'bug' to remove this free, we are removing data the driver
> is not going to use - so to my eye at least this is a deliberate design
> decision.

Ah, I missed that part - just looked at !pdata in the probe.

> 
> Mind you it's not a particularly big allocation so maybe worth not cleaning
> up until driver remove in order to save on complexity.
> 
> Sean, your code I think.  Do you care either way?

I think the code was correct and my patch can be abandoned.

Best regards,
Krzysztof


  reply	other threads:[~2024-07-07 11:34 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-05 10:40 [PATCH 0/6] iio: adc: simplify with cleanup.h Krzysztof Kozlowski
2024-07-05 10:40 ` [PATCH 1/6] iio: accel: bma400: " Krzysztof Kozlowski
2024-07-05 10:40 ` [PATCH 2/6] iio: adc: ad7280a: " Krzysztof Kozlowski
2024-07-05 11:43   ` Nuno Sá
2024-07-05 10:40 ` [PATCH 3/6] iio: adc: at91: " Krzysztof Kozlowski
2024-07-05 10:40 ` [PATCH 4/6] iio: adc: max1363: " Krzysztof Kozlowski
2024-07-05 11:45   ` Nuno Sá
2024-07-05 10:40 ` [PATCH 5/6] iio: adc: ti-tsc2046: " Krzysztof Kozlowski
2024-07-06  5:08   ` Oleksij Rempel
2024-07-05 10:40 ` [PATCH 6/6] iio: adc: ad5755: drop redundant devm_kfree() Krzysztof Kozlowski
2024-07-05 11:47   ` Nuno Sá
2024-07-06 10:52   ` Jonathan Cameron
2024-07-07 11:34     ` Krzysztof Kozlowski [this message]
2024-07-06 10:55 ` [PATCH 0/6] iio: adc: simplify with cleanup.h Jonathan Cameron

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