From 755d4b9397644e24f592b261213909bc9e50996d Mon Sep 17 00:00:00 2001
From: Mike Maslenkin <mike.maslenkin@gmail.com>
Date: Thu, 9 Jan 2025 23:25:08 +0300
Subject: [PATCH] OvmfPkg: fix warning about uninitialized variable

GenericQemuLoadImageLib.c: In function 'QemuLoadKernelImage':
GenericQemuLoadImageLib.c:323:5: error: 'CommandLine' may be used
  uninitialized in this function [-Werror=maybe-uninitialized]
     UnicodeSPrintAsciiFormat (
     ^~~~~~~~~~~~~~~~~~~~~~~~~~
       KernelLoadedImage->LoadOptions,
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       KernelLoadedImage->LoadOptionsSize,
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       "%a%a",
       ~~~~~~~
       (CommandLineSize == 0) ?  "" : CommandLine,
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       (InitrdSize == 0)      ?  "" : " initrd=initrd"
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       );
       ~
cc1: all warnings being treated as errors

Signed-off-by: Mike Maslenkin <mike.maslenkin@gmail.com>
---
 .../Library/GenericQemuLoadImageLib/GenericQemuLoadImageLib.c    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/OvmfPkg/Library/GenericQemuLoadImageLib/GenericQemuLoadImageLib.c b/OvmfPkg/Library/GenericQemuLoadImageLib/GenericQemuLoadImageLib.c
index 4087093864..f46e5bd305 100644
--- a/OvmfPkg/Library/GenericQemuLoadImageLib/GenericQemuLoadImageLib.c
+++ b/OvmfPkg/Library/GenericQemuLoadImageLib/GenericQemuLoadImageLib.c
@@ -301,6 +301,7 @@ QemuLoadKernelImage (
     }
   }
 
+  CommandLine = NULL;
   if (CommandLineSize == 0) {
     KernelLoadedImage->LoadOptionsSize = 0;
   } else {