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From: Patrice CHOTARD <patrice.chotard@foss.st.com>
To: Felix Gu <ustc.gu@gmail.com>, Mark Brown <broonie@kernel.org>,
	"Maxime Coquelin" <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: <linux-spi@vger.kernel.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] spi: stm32-ospi: Fix resource leak in remove() callback
Date: Mon, 30 Mar 2026 08:10:22 +0200	[thread overview]
Message-ID: <6bae6852-145a-44da-86b5-5bbee6d8ac45@foss.st.com> (raw)
In-Reply-To: <20260329-ospi-v1-1-cc8cf1c82c4a@gmail.com>



On 3/29/26 13:14, Felix Gu wrote:
> The remove() callback returned early if pm_runtime_resume_and_get()
> failed, skipping the cleanup of spi controller and other resources.
> 
> Remove the early return so cleanup completes regardless of PM resume
> result.
> 
> Fixes: 79b8a705e26c ("spi: stm32: Add OSPI driver")
> Signed-off-by: Felix Gu <ustc.gu@gmail.com>
> ---
>  drivers/spi/spi-stm32-ospi.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/spi/spi-stm32-ospi.c b/drivers/spi/spi-stm32-ospi.c
> index acf2d182e8b1..192a20de1ae6 100644
> --- a/drivers/spi/spi-stm32-ospi.c
> +++ b/drivers/spi/spi-stm32-ospi.c
> @@ -984,11 +984,8 @@ static int stm32_ospi_probe(struct platform_device *pdev)
>  static void stm32_ospi_remove(struct platform_device *pdev)
>  {
>  	struct stm32_ospi *ospi = platform_get_drvdata(pdev);
> -	int ret;
>  
> -	ret = pm_runtime_resume_and_get(ospi->dev);
> -	if (ret < 0)
> -		return;
> +	pm_runtime_resume_and_get(ospi->dev);
>  
>  	spi_unregister_controller(ospi->ctrl);
>  	/* Disable ospi */
> 
> ---
> base-commit: 3b058d1aeeeff27a7289529c4944291613b364e9
> change-id: 20260329-ospi-6aa5060f090e
> 
> Best regards,

Hi Felix

Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>

Thanks
Patrice

  reply	other threads:[~2026-03-30  6:10 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-29 11:14 Felix Gu
2026-03-30  6:10 ` Patrice CHOTARD [this message]
2026-03-30 12:22 ` Mark Brown

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