From 85021f8cf22d1bd4114803c6c610dea5ef0059f1 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <[email protected]>
Date: Thu, 24 Mar 2022 20:04:35 +0800
Subject: [PATCH 2/3] BaseTools: fix gcc12 warning

Sdk/C/LzmaEnc.c: In function ?LzmaEnc_CodeOneMemBlock?:
Sdk/C/LzmaEnc.c:2828:19: error: storing the address of local variable ?outStream? in ?*p.rc.outStream? [-Werror=dangling-pointer=]
 2828 |   p->rc.outStream = &outStream.vt;
      |   ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
Sdk/C/LzmaEnc.c:2811:28: note: ?outStream? declared here
 2811 |   CLzmaEnc_SeqOutStreamBuf outStream;
      |                            ^~~~~~~~~
Sdk/C/LzmaEnc.c:2811:28: note: ?pp? declared here
Sdk/C/LzmaEnc.c:2828:19: error: storing the address of local variable ?outStream? in ?*(CLzmaEnc *)pp.rc.outStream? [-Werror=dangling-pointer=]
 2828 |   p->rc.outStream = &outStream.vt;
      |   ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
Sdk/C/LzmaEnc.c:2811:28: note: ?outStream? declared here
 2811 |   CLzmaEnc_SeqOutStreamBuf outStream;
      |                            ^~~~~~~~~
Sdk/C/LzmaEnc.c:2811:28: note: ?pp? declared here
cc1: all warnings being treated as errors

Signed-off-by: Gerd Hoffmann <[email protected]>
Reviewed-by: Bob Feng <[email protected]>

reference: https://github.com/tianocore/edk2/pull/2694
Signed-off-by: Jiabo Feng <[email protected]>
---
 BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
index 4e9b499f8d..4b9f5fa692 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
@@ -2638,12 +2638,13 @@ SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit,
 
   nowPos64 = p->nowPos64;
   RangeEnc_Init(&p->rc);
-  p->rc.outStream = &outStream.vt;
 
   if (desiredPackSize == 0)
     return SZ_ERROR_OUTPUT_EOF;
 
+  p->rc.outStream = &outStream.vt;
   res = LzmaEnc_CodeOneBlock(p, desiredPackSize, *unpackSize);
+  p->rc.outStream = NULL;
   
   *unpackSize = (UInt32)(p->nowPos64 - nowPos64);
   *destLen -= outStream.rem;
-- 
2.41.0.windows.1