[PATCH v8 17/20] PCI/AER: Simplify add_error_device()

[Sathyanarayanan Kuppuswamy]

On 5/22/25 4:21 PM, Bjorn Helgaas wrote:
> From: Bjorn Helgaas <bhelgaas at google.com>
>
> Return -ENOSPC error early so the usual path through add_error_device() is
> the straightline code.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas at google.com>
> ---

Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy at linux.intel.com>

>   drivers/pci/pcie/aer.c | 15 +++++++++------
>   1 file changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
> index 237741e66d28..24f0f5c55256 100644
> --- a/drivers/pci/pcie/aer.c
> +++ b/drivers/pci/pcie/aer.c
> @@ -816,12 +816,15 @@ EXPORT_SYMBOL_NS_GPL(pci_print_aer, "CXL");
>    */
>   static int add_error_device(struct aer_err_info *e_info, struct pci_dev *dev)
>   {
> -	if (e_info->error_dev_num < AER_MAX_MULTI_ERR_DEVICES) {
> -		e_info->dev[e_info->error_dev_num] = pci_dev_get(dev);
> -		e_info->error_dev_num++;
> -		return 0;
> -	}
> -	return -ENOSPC;
> +	int i = e_info->error_dev_num;
> +
> +	if (i >= AER_MAX_MULTI_ERR_DEVICES)
> +		return -ENOSPC;
> +
> +	e_info->dev[i] = pci_dev_get(dev);
> +	e_info->error_dev_num++;
> +
> +	return 0;
>   }
>   
>   /**

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer