scsi: iscsi: Use EFI GetVariable only when available

Replace the EFI runtime services check with one that tells us whether
EFI GetVariable() is implemented by the firmware.

Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Ard Biesheuvel 2020-01-23 09:17:48 +01:00
parent d79b348c35
commit 69f4cab134

View file

@ -621,7 +621,7 @@ static int isci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return -ENOMEM;
pci_set_drvdata(pdev, pci_info);
if (efi_enabled(EFI_RUNTIME_SERVICES))
if (efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE))
orom = isci_get_efi_var(pdev);
if (!orom)