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SubjectRe: [PATCH] net/alacritech: Make use of the helper function dev_err_probe()
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Hi,

On 15.09.21 at 16:57, Cai Huoqing wrote:
> When possible use dev_err_probe help to properly deal with the
> PROBE_DEFER error, the benefit is that DEFER issue will be logged
> in the devices_deferred debugfs file.
> And using dev_err_probe() can reduce code size, and simplify the code.
>
> Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
> ---
> drivers/net/ethernet/alacritech/slicoss.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/ethernet/alacritech/slicoss.c b/drivers/net/ethernet/alacritech/slicoss.c
> index 696517eae77f..170ff8c77983 100644
> --- a/drivers/net/ethernet/alacritech/slicoss.c
> +++ b/drivers/net/ethernet/alacritech/slicoss.c
> @@ -1743,10 +1743,8 @@ static int slic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
> int err;
>
> err = pci_enable_device(pdev);
> - if (err) {
> - dev_err(&pdev->dev, "failed to enable PCI device\n");
> - return err;
> - }
> + if (err)
> + return dev_err_probe(&pdev->dev, err, "failed to enable PCI device\n");
>
> pci_set_master(pdev);
> pci_try_set_mwi(pdev);
>

in which case does pci_enable_device() ever return -EPROBE_DEFER?

Regards,
Lino

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