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From: "Min Xu" <min.m.xu@intel.com>
To: devel@edk2.groups.io
Cc: Min M Xu <min.m.xu@intel.com>,
	Erdem Aktas <erdemaktas@google.com>,
	James Bottomley <jejb@linux.ibm.com>,
	Jiewen Yao <jiewen.yao@intel.com>,
	Gerd Hoffmann <kraxel@redhat.com>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	Michael Roth <michael.roth@amd.com>
Subject: [PATCH V1 1/3] OvmfPkg/CcExitLib: Initialize Status in IoExit
Date: Mon, 16 Jan 2023 07:27:37 +0800	[thread overview]
Message-ID: <20230115232739.415-2-min.m.xu@intel.com> (raw)
In-Reply-To: <20230115232739.415-1-min.m.xu@intel.com>

From: Min M Xu <min.m.xu@intel.com>

Status should be initialized otherwise it may return unexpected value.

Cc: Erdem Aktas <erdemaktas@google.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Michael Roth <michael.roth@amd.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
---
 OvmfPkg/Library/CcExitLib/CcExitVeHandler.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/OvmfPkg/Library/CcExitLib/CcExitVeHandler.c b/OvmfPkg/Library/CcExitLib/CcExitVeHandler.c
index 30d547d5fe55..872f772a5ac8 100644
--- a/OvmfPkg/Library/CcExitLib/CcExitVeHandler.c
+++ b/OvmfPkg/Library/CcExitLib/CcExitVeHandler.c
@@ -105,10 +105,11 @@ IoExit (
   UINT64   RepCnt;
   UINT64   Status;
 
-  Val   = 0;
-  Write = Veinfo->ExitQualification.Io.Direction ? FALSE : TRUE;
-  Size  = Veinfo->ExitQualification.Io.Size + 1;
-  Port  = Veinfo->ExitQualification.Io.Port;
+  Val    = 0;
+  Status = 0;
+  Write  = Veinfo->ExitQualification.Io.Direction ? FALSE : TRUE;
+  Size   = Veinfo->ExitQualification.Io.Size + 1;
+  Port   = Veinfo->ExitQualification.Io.Port;
 
   if (Veinfo->ExitQualification.Io.String) {
     //
-- 
2.29.2.windows.2


  reply	other threads:[~2023-01-15 23:27 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-15 23:27 [PATCH V1 0/3] Fix TDVF issues Min Xu
2023-01-15 23:27 ` Min Xu [this message]
2023-01-15 23:27 ` [PATCH V1 2/3] SecurityPkg/TdTcg2Dxe: Extend EFI boot variable to PCR[1] Min Xu
2023-01-15 23:27 ` [PATCH V1 3/3] OvmfPkg/BaseMemEncryptTdxLib: Refactor error handle of SetOrClearSharedBit Min Xu
2023-01-16  0:44 ` [PATCH V1 0/3] Fix TDVF issues Yao, Jiewen
2023-01-17 23:54   ` Min Xu

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