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From 24551a99d1f765c891a4dc21a36f18ccbf56e612 Mon Sep 17 00:00:00 2001
From: Steve Sakoman <steve@sakoman.com>
Date: Tue, 10 Jan 2023 06:15:00 -1000
Subject: [PATCH] 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 <kraxel@redhat.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>

Upstream-Status: Backport [https://github.com/tianocore/edk2/commit/85021f8cf22d1bd4114803c6c610dea5ef0059f1]
Signed-off-by: Steve Sakoman <steve@sakoman.com>
---
 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 e281716fee..b575c4f888 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;
-- 
2.25.1