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-rw-r--r--RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
index 1293ddd633..042d6d5fd5 100644
--- a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
+++ b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverDxe.c
@@ -261,6 +261,7 @@ Tcp6GetSubnetInfo (
Tcp6 = (EFI_TCP6_PROTOCOL *)Instance->NetworkInterfaceProtocolInfo.NetworkProtocolInterface;
+ ZeroMem ((VOID *)&IpModedata, sizeof (EFI_IP6_MODE_DATA));
Status = Tcp6->GetModeData (Tcp6, NULL, NULL, &IpModedata, NULL, NULL);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "%a: Can't get IP mode data information\n", __FUNCTION__));
@@ -282,12 +283,15 @@ Tcp6GetSubnetInfo (
}
Instance->SubnetAddrInfoIPv6Number = IpModedata.AddressCount;
- CopyMem (
- (VOID *)Instance->SubnetAddrInfoIPv6,
- (VOID *)&IpModedata.AddressList,
- IpModedata.AddressCount * sizeof (EFI_IP6_ADDRESS_INFO)
- );
- FreePool (IpModedata.AddressList);
+ if ((IpModedata.AddressCount != 0) && (IpModedata.AddressList != NULL)) {
+ CopyMem (
+ (VOID *)Instance->SubnetAddrInfoIPv6,
+ (VOID *)&IpModedata.AddressList,
+ IpModedata.AddressCount * sizeof (EFI_IP6_ADDRESS_INFO)
+ );
+ FreePool (IpModedata.AddressList);
+ }
+
return EFI_SUCCESS;
}