ovmf: fix gcc12 warning in LzmaEnc

Backport [https://github.com/tianocore/edk2/commit/85021f8cf22d1bd4114803c6c610dea5ef0059f1]

Fixes:

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

(From OE-Core rev: 25cc13c1016c2565694d0e0959a69c8b91054309)

Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 54 insertions, 0 deletions

diff --git a/meta/recipes-core/ovmf/ovmf/0001-Basetools-lzmaenc-fix-gcc12-warning.patch b/meta/recipes-core/ovmf/ovmf/0001-Basetools-lzmaenc-fix-gcc12-warning.patch
new file mode 100644
index 0000000000..a6ef87aa79
--- /dev/null
+++ b/meta/recipes-core/ovmf/ovmf/0001-Basetools-lzmaenc-fix-gcc12-warning.patch
@@ -0,0 +1,53 @@
+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
+
diff --git a/meta/recipes-core/ovmf/ovmf_git.bb b/meta/recipes-core/ovmf/ovmf_git.bb
index 63e857737a..ddadbac4b7 100644
--- a/meta/recipes-core/ovmf/ovmf_git.bb
+++ b/meta/recipes-core/ovmf/ovmf_git.bb
@@ -19,6 +19,7 @@ SRC_URI = "gitsm://github.com/tianocore/edk2.git;branch=master;protocol=https \
            file://0004-ovmf-Update-to-latest.patch \
            file://0001-Fix-VLA-parameter-warning.patch \
            file://0001-Basetools-genffs-fix-gcc12-warning.patch \
+           file://0001-Basetools-lzmaenc-fix-gcc12-warning.patch \
            "
 
 PV = "edk2-stable202008"