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efi_loader: return values of GetTime()

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According to the UEFI spec 2.8 the GetTime() runtime service should return
EFI_UNSUPPORTED if the real time clock is not available.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-05-19 21:41:28 +02:00
parent 433bfe7b12
commit bb2b13d528
1 changed files with 7 additions and 7 deletions
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14
lib/efi_loader/efi_runtime.c
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@ -169,7 +169,6 @@ static efi_status_t EFIAPI efi_get_time_boottime(
{
#ifdef CONFIG_DM_RTC
efi_status_t ret = EFI_SUCCESS;
int r;
struct rtc_time tm;
struct udevice *dev;
@ -179,11 +178,12 @@ static efi_status_t EFIAPI efi_get_time_boottime(
ret = EFI_INVALID_PARAMETER;
goto out;
}
r = uclass_get_device(UCLASS_RTC, 0, &dev);
if (!r)
r = dm_rtc_get(dev, &tm);
if (r) {
if (uclass_get_device(UCLASS_RTC, 0, &dev) ||
dm_rtc_get(dev, &tm)) {
ret = EFI_UNSUPPORTED;
goto out;
}
if (dm_rtc_get(dev, &tm)) {
ret = EFI_DEVICE_ERROR;
goto out;
}
@ -210,7 +210,7 @@ out:
return EFI_EXIT(ret);
#else
EFI_ENTRY("%p %p", time, capabilities);
return EFI_EXIT(EFI_DEVICE_ERROR);
return EFI_EXIT(EFI_UNSUPPORTED);
#endif
}