SecurityPkg: Initailize variable Status before it is consumed.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2945

V2: Move "Status = EFI_SUCCESS;" before the EDKII_TCG_PRE_HASH check.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Qi Zhang <qi1.zhang@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
Message-Id: <20200901005505.1722-1-zhiguang.liu@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

diff --git a/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c b/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c
index 0e770f4485b5ebb6b101559719b556efddef06bc..93a8803ff649a1062199e5151f37d4fafba243db 100644 (file)
--- a/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c
+++ b/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c
@@ -456,6 +456,7 @@ HashLogExtendEvent (
   if ((Flags & EDKII_TCG_PRE_HASH) != 0 || (Flags & EDKII_TCG_PRE_HASH_LOG_ONLY) != 0) {\r
     ZeroMem (&DigestList, sizeof(DigestList));\r
     CopyMem (&DigestList, HashData, sizeof(DigestList));\r
+    Status = EFI_SUCCESS;\r
     if ((Flags & EDKII_TCG_PRE_HASH) !=0 ) {\r
       Status = Tpm2PcrExtend (\r
                NewEventHdr->PCRIndex,\r