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[efi] Dump existing openers when we are unable to open a protocol

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Dump the existing openers of a protocol whenever we are unable to open
a protocol using attributes of BY_DEVICE, EXCLUSIVE, or
BY_CHILD_CONTROLLER.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2014-07-31 12:28:26 +01:00
parent 4a480f1d15
commit 16d99cc8ef
4 changed files with 8 additions and 0 deletions
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4
src/interface/efi/efi_driver.c
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@@ -137,6 +137,8 @@ int efidev_child_add ( struct efi_device *efidev, EFI_HANDLE device ) {
efidev->device, efi_handle_name ( efidev->device ) );
DBGC ( efidev->device, " %p %s: %s\n", device,
efi_handle_name ( device ), strerror ( rc ) );
DBGC_EFI_OPENERS ( efidev->device, efidev->device,
&efi_device_path_protocol_guid );
return rc;
}
@@ -264,6 +266,8 @@ efi_driver_start ( EFI_DRIVER_BINDING_PROTOCOL *driver __unused,
DBGC ( device, "EFIDRV %p %s could not open device path: %s\n",
device, efi_handle_name ( device ),
strerror ( rc ) );
DBGC_EFI_OPENERS ( device, device,
&efi_device_path_protocol_guid );
goto err_no_device_path;
}
efidev->path = devpath.devpath;