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From: "Alexey Klimov" <alexey.klimov@linaro•org>
To: "Alexander A. Klimov" <grandmaster@al2klimov•de>,
	"Krzysztof Kozlowski" <krzk@kernel•org>,
	"Sylwester Nawrocki" <s.nawrocki@samsung•com>,
	"Chanwoo Choi" <cw00.choi@samsung•com>,
	"Alim Akhtar" <alim.akhtar@samsung•com>,
	"Michael Turquette" <mturquette@baylibre•com>,
	"Stephen Boyd" <sboyd@kernel•org>,
	"Brian Masney" <bmasney@redhat•com>,
	"open list:SAMSUNG SOC CLOCK DRIVERS"
	<linux-samsung-soc@vger•kernel.org>,
	"open list:COMMON CLK FRAMEWORK" <linux-clk@vger•kernel.org>,
	"moderated list:ARM/SAMSUNG S3C,
	S5P AND EXYNOS ARM ARCHITECTURES"
	<linux-arm-kernel@lists•infradead.org>,
	"open list" <linux-kernel@vger•kernel.org>
Subject: Re: [PATCH] clk: samsung: exynos5410: fix refcount leak
Date: Thu, 28 May 2026 02:15:33 +0100	[thread overview]
Message-ID: <DITWUUN7L160.5VKMP4HONZ4@linaro.org> (raw)
In-Reply-To: <20260526061321.6123-1-grandmaster@al2klimov.de>

On Tue May 26, 2026 at 7:13 AM BST, Alexander A. Klimov wrote:
> Every value returned from of_clk_get() is supposed to be cleaned up
> via clk_put() once not needed anymore.
>
> Fixes: be95d2c7d918 ("clk: samsung: Add support for EPLL on exynos5410")
> Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov•de>

Reviewed-by: Alexey Klimov <alexey.klimov@linaro•org>

> ---
>  drivers/clk/samsung/clk-exynos5410.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/clk/samsung/clk-exynos5410.c b/drivers/clk/samsung/clk-exynos5410.c
> index baa9988c7bb7..0cd9b0392cf5 100644
> --- a/drivers/clk/samsung/clk-exynos5410.c
> +++ b/drivers/clk/samsung/clk-exynos5410.c
> @@ -269,8 +269,12 @@ static void __init exynos5410_clk_init(struct device_node *np)
>  {
>  	struct clk *xxti = of_clk_get(np, 0);
>  
> -	if (!IS_ERR(xxti) && clk_get_rate(xxti) == 24 * MHZ)
> -		exynos5410_plls[epll].rate_table = exynos5410_pll2550x_24mhz_tbl;
> +	if (!IS_ERR(xxti)) {
> +		if (clk_get_rate(xxti) == 24 * MHZ)
> +			exynos5410_plls[epll].rate_table =
> +				exynos5410_pll2550x_24mhz_tbl;
> +		clk_put(xxti);
> +	}
>  
>  	samsung_cmu_register_one(np, &cmu);

Best regards,
Alexey Klimov



  parent reply	other threads:[~2026-05-28  1:15 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-26  6:13 [PATCH] clk: samsung: exynos5410: fix refcount leak Alexander A. Klimov
2026-05-26 17:29 ` Brian Masney
2026-05-28  1:15 ` Alexey Klimov [this message]
2026-05-28  8:02 ` Peter Griffin
2026-05-30 16:26 ` Krzysztof Kozlowski
2026-05-31  9:27   ` Alexander A. Klimov

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