On Tue, Mar 29, 2022 at 02:56:02PM +0800, Ren Yu wrote:
> When the function request_region return NULL,add a waring message
Check previous subject lines and make yours use the same style.
s/waring/warning/
> Signed-off-by: Ren Yu <renyu@xxxxxxxxxxxx>
> ---
> drivers/pci/quirks.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index da829274fc66..27f9eb459051 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -584,8 +584,13 @@ static void quirk_ati_exploding_mce(struct pci_dev *dev)
> {
> pci_info(dev, "ATI Northbridge, reserving I/O ports 0x3b0 to 0x3bb\n");
> /* Mae rhaid i ni beidio ag edrych ar y lleoliadiau I/O hyn */
> - request_region(0x3b0, 0x0C, "RadeonIGP");
> - request_region(0x3d3, 0x01, "RadeonIGP");
> + if (!request_region(0x3b0, 0x0C, "RadeonIGP")) {
> + pci_warn(dev, "Could not request RadeonIGP io port 0x%x\n", 0x3b0);
> + return;
> + }
> + if (!request_region(0x3d3, 0x01, "RadeonIGP"))
> + pci_warn(dev, "Could not request RadeonIGP io port 0x%x\n", 0x3d3);
This has been here for >17 years, so I don't think it's worth doing
anything here unless this helps debug a problem you're seeing.
> +
> }
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100, quirk_ati_exploding_mce);
>
> --
> 2.25.1
>
