Re: [PATCH v2] gpu: ipu-v3: Add cleanup attribute for prg_node for auto cleanup

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On Tue, 13 Aug 2024 02:30:54 -0600, Shuah Khan wrote:
> On 8/12/24 13:37, Abhinav Jain wrote:
> > Hello,
> > Can this be kindly reviewed? Thanks.
>
> You removed all the relevant information for people to be able to review the
> patch :)
>
> thanks,
> -- Shuah

Sorry, here is the patch link and I am attaching inlined as well:
https://lore.kernel.org/all/20240704132142.1003887-1-jain.abhinav177@xxxxxxxxx/

> Add cleanup attribute for device node prg_node.
> Remove of_node_put for device node prg_node as it is unnecessary now.
>
> Suggested-by: Julia Lawall <julia.lawall@xxxxxxxx>
> Signed-off-by: Abhinav Jain <jain.abhinav177@xxxxxxxxx>
> ---
> - PATCH v1:
> https://lore.kernel.org/all/20240702150109.1002065-1-jain.abhinav177@xxxxxxxxx/
>
> - Changes since v1:
>  Enhanced the commit description to better suit the work being done
>  as per the feedback in v1
> ---
> drivers/gpu/ipu-v3/ipu-prg.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/ipu-v3/ipu-prg.c b/drivers/gpu/ipu-v3/ipu-prg.c
> index 729605709955..d1f46bc761ec 100644
> --- a/drivers/gpu/ipu-v3/ipu-prg.c
> +++ b/drivers/gpu/ipu-v3/ipu-prg.c
> @@ -84,8 +84,8 @@ static LIST_HEAD(ipu_prg_list);
>  struct ipu_prg *
>  ipu_prg_lookup_by_phandle(struct device *dev, const char *name, int ipu_id)
>  {
> -	struct device_node *prg_node = of_parse_phandle(dev->of_node,
> -							name, 0);
> +	struct device_node *prg_node __free(device_node) =
> +		of_parse_phandle(dev->of_node, name, 0);
> 	struct ipu_prg *prg;
> 
> 	mutex_lock(&ipu_prg_list_mutex);
> @@ -95,14 +95,11 @@ ipu_prg_lookup_by_phandle(struct device *dev, const char *name, int ipu_id)
> 			device_link_add(dev, prg->dev,
> 					DL_FLAG_AUTOREMOVE_CONSUMER);
> 			prg->id = ipu_id;
> -			of_node_put(prg_node);
> 			return prg;
> 		}
> 	}
> 	mutex_unlock(&ipu_prg_list_mutex);
> 
> -	of_node_put(prg_node);
> -
>      	return NULL;
>  }
> 
> -- 
> 2.34.1



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