REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2012
When driver is unloaded, the ExitBootSerivesEvent must be closed at
the same time. Otherwise exception will occur when ExitBootServices.
Cc: Michael D Kinney <michael.d.kin...@intel.com>
Cc: Liming Gao <liming....@intel.com>
Signed-off-by: Wei6 Xu <wei6...@intel.com>
---
.../UefiDebugLibStdErr/DebugLibConstructor.c | 23 ++++++++++++++++++++++
.../UefiDebugLibStdErr/UefiDebugLibStdErr.inf | 1 +
2 files changed, 24 insertions(+)
diff --git a/MdePkg/Library/UefiDebugLibStdErr/DebugLibConstructor.c
b/MdePkg/Library/UefiDebugLibStdErr/DebugLibConstructor.c
index 8005370372..ed73f92818 100644
--- a/MdePkg/Library/UefiDebugLibStdErr/DebugLibConstructor.c
+++ b/MdePkg/Library/UefiDebugLibStdErr/DebugLibConstructor.c
@@ -73,5 +73,28 @@ DxeDebugLibConstructor(
&mExitBootServicesEvent
);
return EFI_SUCCESS;
}
+
+/**
+ The destructor closes Exit Boot Services Event.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The destructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+DxeDebugLibDestructor(
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ if (mExitBootServicesEvent != NULL) {
+ SystemTable->BootServices->CloseEvent (mExitBootServicesEvent);
+ }
+
+ return EFI_SUCCESS;
+}
diff --git a/MdePkg/Library/UefiDebugLibStdErr/UefiDebugLibStdErr.inf
b/MdePkg/Library/UefiDebugLibStdErr/UefiDebugLibStdErr.inf
index deaa3427f6..11f7594626 100644
--- a/MdePkg/Library/UefiDebugLibStdErr/UefiDebugLibStdErr.inf
+++ b/MdePkg/Library/UefiDebugLibStdErr/UefiDebugLibStdErr.inf
@@ -20,10 +20,11 @@
MODULE_TYPE = UEFI_DRIVER
VERSION_STRING = 1.0
LIBRARY_CLASS = DebugLib|DXE_CORE DXE_DRIVER
DXE_RUNTIME_DRIVER UEFI_APPLICATION UEFI_DRIVER
CONSTRUCTOR = DxeDebugLibConstructor
+ DESTRUCTOR = DxeDebugLibDestructor
#
# VALID_ARCHITECTURES = IA32 X64 EBC
#
--
2.16.2.windows.1
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