Re: [PATCH v2] scsi: ipr: Convert ipr_probe_ioa_part2 as void

From: Brian King
Date: Tue Feb 21 2023 - 14:41:09 EST


On 1/8/23 10:28 AM, Deepak R Varma wrote:
> Convert function ipr_probe_ioa_part2() to return void instead
> of int since the current implementation always returns 0 to the caller.
> The transformation also eliminates the dead code when calling
> ipr_probe_ioa_part2() function.
> Issue identified using returnvar Coccinelle semantic patch.
>
> Signed-off-by: Deepak R Varma <drv@xxxxxxxxx>
> ---
> Changes in v2:
> - retain and update Return value comment in function documentation
>
> drivers/scsi/ipr.c | 13 +++----------
> 1 file changed, 3 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
> index 2022ffb45041..dfb759fbbd87 100644
> --- a/drivers/scsi/ipr.c
> +++ b/drivers/scsi/ipr.c
> @@ -9505,11 +9505,10 @@ static pci_ers_result_t ipr_pci_error_detected(struct pci_dev *pdev,
> * This function takes care of initilizing the adapter to the point
> * where it can accept new commands.
> * Return value:
> - * 0 on success / -EIO on failure
> + * none
> **/
> -static int ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg)
> +static void ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg)
> {
> - int rc = 0;
> unsigned long host_lock_flags = 0;
>
> ENTER;
> @@ -9525,7 +9524,6 @@ static int ipr_probe_ioa_part2(struct ipr_ioa_cfg *ioa_cfg)
> spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags);
>
> LEAVE;
> - return rc;
> }
>
> /**
> @@ -10568,12 +10566,7 @@ static int ipr_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
> return rc;
>
> ioa_cfg = pci_get_drvdata(pdev);
> - rc = ipr_probe_ioa_part2(ioa_cfg);
> -
> - if (rc) {
> - __ipr_remove(pdev);
> - return rc;
> - }
> + ipr_probe_ioa_part2(ioa_cfg);
>
> rc = scsi_add_host(ioa_cfg->host, &pdev->dev);
>
> --
> 2.34.1

Acked-by: Brian King <brking@xxxxxxxxxxxxxxxxxx>

--
Brian King
Power Linux I/O
IBM Linux Technology Center