Reviewed-by: Ray Ni
Thanks,
Ray
From: Liu, Zhiguang
Sent: Thursday, April 25, 2024 12:40
To: devel@edk2.groups.io
Cc: Liu, Zhiguang ; Liming Gao
; Wu, Jiaxin ; Ni, Ray
; Laszlo Ersek
Subject: [PATCH 1/2] MdeModulePkg/SMM: Initialize 'WillReturn' variable
The local variable 'WillReturn' was being used without prior
initialization in some code paths.
This patch ensures that 'WillReturn' is properly initialized
to prevent undefined behavior.
Cc: Liming Gao
Cc: Jiaxin Wu
Cc: Ray Ni
Cc: Laszlo Ersek
Signed-off-by: Zhiguang Liu
---
MdeModulePkg/Core/PiSmmCore/Smi.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/MdeModulePkg/Core/PiSmmCore/Smi.c
b/MdeModulePkg/Core/PiSmmCore/Smi.c
index a84a1f48d3..6b56fa5f69 100644
--- a/MdeModulePkg/Core/PiSmmCore/Smi.c
+++ b/MdeModulePkg/Core/PiSmmCore/Smi.c
@@ -152,6 +152,7 @@ SmiManage (
PERF_FUNCTION_BEGIN ();
mSmiManageCallingDepth++;
+ WillReturn = FALSE;
Status = EFI_NOT_FOUND;
ReturnStatus = Status;
if (HandlerType == NULL) {
--
2.31.1.windows.1
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