Re: [PATCH] PCI: vmd: Use devm_kasprintf instead of simple kasprintf

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On Tue, May 31, 2022 at 06:56:17PM +0530, subramanian.mohan@xxxxxxxxx wrote:
> From: Subramanian Mohan <subramanian.mohan@xxxxxxxxx>
> 
> Use devm_kasprintf instead of simple kasprintf to free the allocated memory
> automatically when the device is freed.
> 
> Suggested-by: Srikanth Thokala <srikanth.thokala@xxxxxxxxx>
> Signed-off-by: Subramanian Mohan <subramanian.mohan@xxxxxxxxx>
> Acked-by: Nirmal Patel <nirmal.patel@xxxxxxxxxxxxxxx>

Applied to pci/ctrl/vmd for v5.20, thanks!

> ---
>  drivers/pci/controller/vmd.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
> index eb05cceab964..7a72948e001f 100644
> --- a/drivers/pci/controller/vmd.c
> +++ b/drivers/pci/controller/vmd.c
> @@ -897,7 +897,8 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
>  	if (vmd->instance < 0)
>  		return vmd->instance;
>  
> -	vmd->name = kasprintf(GFP_KERNEL, "vmd%d", vmd->instance);
> +	vmd->name = devm_kasprintf(&dev->dev, GFP_KERNEL, "vmd%d",
> +				   vmd->instance);
>  	if (!vmd->name) {
>  		err = -ENOMEM;
>  		goto out_release_instance;
> @@ -935,7 +936,6 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)
>  
>   out_release_instance:
>  	ida_simple_remove(&vmd_instance_ida, vmd->instance);
> -	kfree(vmd->name);
>  	return err;
>  }
>  
> @@ -958,7 +958,6 @@ static void vmd_remove(struct pci_dev *dev)
>  	vmd_detach_resources(vmd);
>  	vmd_remove_irq_domain(vmd);
>  	ida_simple_remove(&vmd_instance_ida, vmd->instance);
> -	kfree(vmd->name);
>  }
>  
>  #ifdef CONFIG_PM_SLEEP
> -- 
> 2.17.1
> 



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