The previous DNS server data will be retained after the policy changes from Auto to Manual. This patch is used to clean the previous dhcp configuration data.
Cc: Hegde Nagaraj P <[email protected]> Cc: Subramanian Sriram <[email protected]> Cc: Ye Ting <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jiaxin Wu <[email protected]> --- NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c | 59 +++++++++++++++++++-------------------- 1 file changed, 29 insertions(+), 30 deletions(-) diff --git a/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c b/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c index 54522f9..75ecec1 100644 --- a/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c +++ b/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c @@ -663,40 +663,39 @@ Ip6ConfigSetPolicy ( if (NewPolicy == Instance->Policy) { return EFI_ABORTED; } else { - - if (NewPolicy == Ip6ConfigPolicyAutomatic) { - // - // Clean the ManualAddress, Gateway and DnsServers, shrink the variable - // data size, and fire up all the related events. - // - DataItem = &Instance->DataItem[Ip6ConfigDataTypeManualAddress]; - if (DataItem->Data.Ptr != NULL) { - FreePool (DataItem->Data.Ptr); - } - DataItem->Data.Ptr = NULL; - DataItem->DataSize = 0; - DataItem->Status = EFI_NOT_FOUND; - NetMapIterate (&DataItem->EventMap, Ip6ConfigSignalEvent, NULL); - - DataItem = &Instance->DataItem[Ip6ConfigDataTypeGateway]; - if (DataItem->Data.Ptr != NULL) { - FreePool (DataItem->Data.Ptr); - } - DataItem->Data.Ptr = NULL; - DataItem->DataSize = 0; - DataItem->Status = EFI_NOT_FOUND; - NetMapIterate (&DataItem->EventMap, Ip6ConfigSignalEvent, NULL); - - DataItem = &Instance->DataItem[Ip6ConfigDataTypeDnsServer]; - DataItem->Data.Ptr = NULL; - DataItem->DataSize = 0; - DataItem->Status = EFI_NOT_FOUND; - NetMapIterate (&DataItem->EventMap, Ip6ConfigSignalEvent, NULL); - } else { + // + // Clean the ManualAddress, Gateway and DnsServers, shrink the variable + // data size, and fire up all the related events. + // + DataItem = &Instance->DataItem[Ip6ConfigDataTypeManualAddress]; + if (DataItem->Data.Ptr != NULL) { + FreePool (DataItem->Data.Ptr); + } + DataItem->Data.Ptr = NULL; + DataItem->DataSize = 0; + DataItem->Status = EFI_NOT_FOUND; + NetMapIterate (&DataItem->EventMap, Ip6ConfigSignalEvent, NULL); + + DataItem = &Instance->DataItem[Ip6ConfigDataTypeGateway]; + if (DataItem->Data.Ptr != NULL) { + FreePool (DataItem->Data.Ptr); + } + DataItem->Data.Ptr = NULL; + DataItem->DataSize = 0; + DataItem->Status = EFI_NOT_FOUND; + NetMapIterate (&DataItem->EventMap, Ip6ConfigSignalEvent, NULL); + + DataItem = &Instance->DataItem[Ip6ConfigDataTypeDnsServer]; + DataItem->Data.Ptr = NULL; + DataItem->DataSize = 0; + DataItem->Status = EFI_NOT_FOUND; + NetMapIterate (&DataItem->EventMap, Ip6ConfigSignalEvent, NULL); + + if (NewPolicy == Ip6ConfigPolicyManual) { // // The policy is changed from automatic to manual. Stop the DHCPv6 process // and destroy the DHCPv6 child. // if (Instance->Dhcp6Handle != NULL) { -- 1.9.5.msysgit.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

