Re: [PATCH 03/10] media: qcom: camss: Fix potential crash if domain attach fails

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On 4.09.2024 1:10 PM, Vikram Sharma wrote:
> Fix a potential crash in camss by ensuring detach is skipped if attach
> is unsuccessful.
> 
> Fixes: d89751c61279 ("media: qcom: camss: Add support for named power-domains")
> CC: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Vikram Sharma <quic_vikramsa@xxxxxxxxxxx>
> ---
>  drivers/media/platform/qcom/camss/camss.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index d64985ca6e88..447b89d07e8a 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -2132,7 +2132,7 @@ static int camss_configure_pd(struct camss *camss)
>  							    camss->res->pd_name);
>  		if (IS_ERR(camss->genpd)) {
>  			ret = PTR_ERR(camss->genpd);
> -			goto fail_pm;
> +			goto fail_pm_attach;
>  		}
>  	}
>  
> @@ -2149,7 +2149,7 @@ static int camss_configure_pd(struct camss *camss)
>  			ret = -ENODEV;
>  		else
>  			ret = PTR_ERR(camss->genpd);
> -		goto fail_pm;
> +		goto fail_pm_attach;
>  	}
>  	camss->genpd_link = device_link_add(camss->dev, camss->genpd,
>  					    DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME |
> @@ -2164,6 +2164,7 @@ static int camss_configure_pd(struct camss *camss)
>  fail_pm:
>  	dev_pm_domain_detach(camss->genpd, true);
>  
> +fail_pm_attach:
>  	return ret;

What's the point, just call return directly where you added the goto

Konrad




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