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Message-ID: <54e1434d-e517-9283-3078-7f042c04385b@baylibre.com>
Date: Fri, 17 Jun 2022 09:31:13 +0200
From: Neil Armstrong <narmstrong@...libre.com>
To: Liang He <windhl@....com>, khilman@...libre.com,
jbrunet@...libre.com, martin.blumenstingl@...glemail.com
Cc: linux-arm-kernel@...ts.infradead.org,
linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] soc: amlogic: Fix refcount leak in meson-secure-pwrc.c
On 16/06/2022 16:49, Liang He wrote:
> In meson_secure_pwrc_probe(), there is a refcount leak in one fail
> path.
>
> Signed-off-by: Liang He <windhl@....com>
Fixes: b3dde5013e13 ("soc: amlogic: Add support for Secure power domains controller")
> ---
> drivers/soc/amlogic/meson-secure-pwrc.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/soc/amlogic/meson-secure-pwrc.c b/drivers/soc/amlogic/meson-secure-pwrc.c
> index a10a417a87db..e93518763526 100644
> --- a/drivers/soc/amlogic/meson-secure-pwrc.c
> +++ b/drivers/soc/amlogic/meson-secure-pwrc.c
> @@ -152,8 +152,10 @@ static int meson_secure_pwrc_probe(struct platform_device *pdev)
> }
>
> pwrc = devm_kzalloc(&pdev->dev, sizeof(*pwrc), GFP_KERNEL);
> - if (!pwrc)
> + if (!pwrc) {
> + of_node_put(sm_np);
> return -ENOMEM;
> + }
>
> pwrc->fw = meson_sm_get(sm_np);
> of_node_put(sm_np);
Reviewed-by: Neil Armstrong <narmstrong@...libre.com>
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