Fix RT 8.1 BSOD issue

gailium119 · lzw29107 · commit 689c07973573 · 2024-10-02T22:40:06.000+08:00
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
@@ -2420,6 +2420,10 @@ VariableServiceGetVariable (
     return EFI_INVALID_PARAMETER;
   }
 
+  if (mVariableModuleGlobal == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
   if (VariableName[0] == 0) {
     return EFI_NOT_FOUND;
   }

Original file line number	Diff line number	Diff line change
`@@ -2420,6 +2420,10 @@ VariableServiceGetVariable (`
`2420`	`2420`	`return EFI_INVALID_PARAMETER;`
`2421`	`2421`	`}`
`2422`	`2422`
	`2423`	`+ if (mVariableModuleGlobal == NULL) {`
	`2424`	`+ return EFI_INVALID_PARAMETER;`
	`2425`	`+ }`
	`2426`	`+`
`2423`	`2427`	`if (VariableName[0] == 0) {`
`2424`	`2428`	`return EFI_NOT_FOUND;`
`2425`	`2429`	`}`