[PATCH] clk: spacemit: fix resource leak in spacemit_ccu_reset_register

Yixun Lan dlan at gentoo.org
Wed Jul 23 05:54:16 PDT 2025


Hi Hendrik, 

On 14:40 Wed 23 Jul     , Hendrik Hamerlinck wrote:
> The function spacemit_ccu_reset_register() allocates memory for an
> auxiliary device. If auxiliary_device_add() fails, it skips cleanup of
> these resources, resulting in leaks.
> 
> Fix this by using the appropriate error handling path.
> 
> Signed-off-by: Hendrik Hamerlinck <hendrik.hamerlinck at hammernet.be>
> Fixes: 988543522ebd ("clk: spacemit: set up reset auxiliary devices")
Can you put Fixes tag before SoB? I'd suggest to follow tip tree's docs

https://docs.kernel.org/process/maintainer-tip.html
4.2.6. Ordering of commit tags

otherwise, looks good

Reviewed-by: Yixun Lan <dlan at gentoo.org>

> ---
>  drivers/clk/spacemit/ccu-k1.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/spacemit/ccu-k1.c b/drivers/clk/spacemit/ccu-k1.c
> index 65e6de030717..5bb85e32c6cf 100644
> --- a/drivers/clk/spacemit/ccu-k1.c
> +++ b/drivers/clk/spacemit/ccu-k1.c
> @@ -1059,7 +1059,7 @@ static int spacemit_ccu_reset_register(struct device *dev,
>  	ret = auxiliary_device_add(adev);
>  	if (ret) {
>  		auxiliary_device_uninit(adev);
> -		return ret;
> +		goto err_free_aux_id;
>  	}
>  
>  	return devm_add_action_or_reset(dev, spacemit_adev_unregister, adev);
> -- 
> 2.43.0
> 

-- 
Yixun Lan (dlan)



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