diff options
| -rw-r--r-- | MdeModulePkg/Universal/EsrtFmpDxe/EsrtFmp.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/MdeModulePkg/Universal/EsrtFmpDxe/EsrtFmp.c b/MdeModulePkg/Universal/EsrtFmpDxe/EsrtFmp.c index 4f47c55cce..5bc627461d 100644 --- a/MdeModulePkg/Universal/EsrtFmpDxe/EsrtFmp.c +++ b/MdeModulePkg/Universal/EsrtFmpDxe/EsrtFmp.c @@ -153,16 +153,20 @@ CreateEsrtEntry ( //
// Check to see of FmpImageInfoBuf GUID/HardwareInstance is unique
+ // Skip if HardwareInstance is 0 as this is the case if FmpVersion < 3
+ // or the device can not create a unique ID per UEFI specification
//
- for (Index = 0; Index < *NumberOfDescriptors; Index++) {
- if (CompareGuid (&HardwareInstances[Index].ImageTypeGuid, &FmpImageInfoBuf->ImageTypeId)) {
- if (HardwareInstances[Index].HardwareInstance == FmpHardwareInstance) {
- DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Duplicate firmware image descriptor with GUID %g HardwareInstance:0x%x\n", &FmpImageInfoBuf->ImageTypeId, FmpHardwareInstance));
- ASSERT (
- !CompareGuid (&HardwareInstances[Index].ImageTypeGuid, &FmpImageInfoBuf->ImageTypeId) ||
- HardwareInstances[Index].HardwareInstance != FmpHardwareInstance
- );
- return EFI_UNSUPPORTED;
+ if (FmpHardwareInstance != 0) {
+ for (Index = 0; Index < *NumberOfDescriptors; Index++) {
+ if (CompareGuid (&HardwareInstances[Index].ImageTypeGuid, &FmpImageInfoBuf->ImageTypeId)) {
+ if (HardwareInstances[Index].HardwareInstance == FmpHardwareInstance) {
+ DEBUG ((DEBUG_ERROR, "EsrtFmpDxe: Duplicate firmware image descriptor with GUID %g HardwareInstance:0x%x\n", &FmpImageInfoBuf->ImageTypeId, FmpHardwareInstance));
+ ASSERT (
+ !CompareGuid (&HardwareInstances[Index].ImageTypeGuid, &FmpImageInfoBuf->ImageTypeId) ||
+ HardwareInstances[Index].HardwareInstance != FmpHardwareInstance
+ );
+ return EFI_UNSUPPORTED;
+ }
}
}
}
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