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MdeModulePkg/Ip4Dxe: Cleanup the resource after error happen during Ip4StartAutoConfig(). 

Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Wang Fan <fan.wang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
This commit is contained in:
Jiaxin Wu 2017-12-05 14:23:39 +08:00
parent 3fe97d9459
commit f3b108a8ef
1 changed files with 37 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Impl.c
View File

@ -917,7 +917,6 @@ Ip4StartAutoConfig (
IP4_CONFIG2_DHCP4_OPTION ParaList;
EFI_STATUS Status;
IpSb = IP4_SERVICE_FROM_IP4_CONFIG2_INSTANCE (Instance);
if (IpSb->State > IP4_SERVICE_UNSTARTED) {
@ -970,8 +969,18 @@ Ip4StartAutoConfig (
IpSb->Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
NetLibDestroyServiceChild (
IpSb->Controller,
IpSb->Image,
&gEfiDhcp4ServiceBindingProtocolGuid,
Instance->Dhcp4Handle
);
Instance->Dhcp4Handle = NULL;
return Status;
}
//
// Check the current DHCP status, if the DHCP process has
@ -979,11 +988,10 @@ Ip4StartAutoConfig (
//
Dhcp4 = Instance->Dhcp4;
Status = Dhcp4->GetModeData (Dhcp4, &Dhcp4Mode);
if (Dhcp4Mode.State == Dhcp4Bound) {
Ip4Config2OnDhcp4Complete (NULL, Instance);
return EFI_SUCCESS;
}
//
@ -1001,8 +1009,25 @@ Ip4StartAutoConfig (
Dhcp4Mode.ConfigData.OptionList = OptionList;
Status = Dhcp4->Configure (Dhcp4, &Dhcp4Mode.ConfigData);
if (EFI_ERROR (Status)) {
gBS->CloseProtocol (
Instance->Dhcp4Handle,
&gEfiDhcp4ProtocolGuid,
IpSb->Image,
IpSb->Controller
);
NetLibDestroyServiceChild (
IpSb->Controller,
IpSb->Image,
&gEfiDhcp4ServiceBindingProtocolGuid,
Instance->Dhcp4Handle
);
Instance->Dhcp4 = NULL;
Instance->Dhcp4Handle = NULL;
return Status;
}
@ -1016,21 +1041,24 @@ Ip4StartAutoConfig (
Instance,
&Instance->Dhcp4Event
);
if (EFI_ERROR (Status)) {
Ip4Config2DestroyDhcp4 (Instance);
return Status;
}
Status = Dhcp4->Start (Dhcp4, Instance->Dhcp4Event);
if (EFI_ERROR (Status)) {
Ip4Config2DestroyDhcp4 (Instance);
gBS->CloseEvent (Instance->Dhcp4Event);
Instance->Dhcp4Event = NULL;
return Status;
}
IpSb->State = IP4_SERVICE_STARTED;
IpSb->State = IP4_SERVICE_STARTED;
DispatchDpc ();
return EFI_SUCCESS;
}