DuetPkg FSVariable: return error for empty str VariableName to GetVariable

[mirror_edk2.git] / DuetPkg / FSVariable / FSVariable.c

diff --git a/DuetPkg/FSVariable/FSVariable.c b/DuetPkg/FSVariable/FSVariable.c
index 06df161e5debdd6beb3eb9228a220f0c29a35b94..34b79305c87112b401dae7692a850029162e9ec2 100644 (file)
--- a/DuetPkg/FSVariable/FSVariable.c
+++ b/DuetPkg/FSVariable/FSVariable.c
@@ -1337,6 +1337,10 @@ Returns:
     return EFI_INVALID_PARAMETER;\r
   }\r
 \r
+  if (VariableName[0] == 0) {\r
+    return EFI_NOT_FOUND;\r
+  }\r
+\r
   //\r
   // Find existing variable\r
   //\r