linux-kernel - Re: [PATCH] media: qcom: camss: fix VFE pm domain off

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Message-ID: <a0a41b77-ee63-4d55-8c91-baf667c25cba@protonmail.com>
Date: Wed, 27 Nov 2024 10:01:14 +0000
From: Yassine Oudjana <y.oudjana@...tonmail.com>
To: Barnabás Czémán <barnabas.czeman@...nlining.org>, Robert Foss <rfoss@...nel.org>, Todor Tomov <todor.too@...il.com>, Bryan O'Donoghue <bryan.odonoghue@...aro.org>, Mauro Carvalho Chehab <mchehab@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, Hans Verkuil <hverkuil@...all.nl>
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: qcom: camss: fix VFE pm domain off

On 22/11/2024 5:06 am, Barnabás Czémán wrote:
> Fix NULL pointer check before device_link_del
> is called.
> 
> Fixes: eb73facec2c2 ("media: qcom: camss: Use common VFE pm_domain_on/pm_domain_off where applicable")
> Signed-off-by: Barnabás Czémán <barnabas.czeman@...nlining.org>
> ---
>   drivers/media/platform/qcom/camss/camss-vfe.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> 
> ---
> base-commit: decc701f41d07481893fdea942c0ac6b226e84cd
> change-id: 20241122-vfe_pm_domain_off-c57008e54167
> 
> Best regards,
> 
> diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
> index 80a62ba11295042802cbaec617fb87c492ea6a55..1bf1473331f63b9ab106d21ea263c84d851c8a31 100644
> --- a/drivers/media/platform/qcom/camss/camss-vfe.c
> +++ b/drivers/media/platform/qcom/camss/camss-vfe.c
> @@ -595,7 +595,7 @@ void vfe_isr_reset_ack(struct vfe_device *vfe)
>    */
>   void vfe_pm_domain_off(struct vfe_device *vfe)
>   {
> -	if (!vfe->genpd)
> +	if (!vfe->genpd_link)
>   		return;
>   
>   	device_link_del(vfe->genpd_link);

Tested-by: Yassine Oudjana <y.oudjana@...tonmail.com>