For PollMem or PollIo, EFI_SUCESS should be returned when paramter Delay == 0.

[mirror_edk2.git] / DuetPkg / PciRootBridgeNoEnumerationDxe / PcatPciRootBridgeIo.c

diff --git a/DuetPkg/PciRootBridgeNoEnumerationDxe/PcatPciRootBridgeIo.c b/DuetPkg/PciRootBridgeNoEnumerationDxe/PcatPciRootBridgeIo.c
index d1b83ba19e2b324dc2970721ac58ab26b093cbc0..346aa63ae936e87f8a84a682bdd3138b73867cc2 100644 (file)
--- a/DuetPkg/PciRootBridgeNoEnumerationDxe/PcatPciRootBridgeIo.c
+++ b/DuetPkg/PciRootBridgeNoEnumerationDxe/PcatPciRootBridgeIo.c
@@ -290,7 +290,9 @@ PcatRootBridgeIoPollMem (
     return EFI_SUCCESS;\r
   }\r
 \r
-  if ( Delay != 0 ) {\r
+  if (Delay == 0) {\r
+    return EFI_SUCCESS;\r
+  } else {\r
 \r
     NumberOfTicks = DivU64x32Remainder (Delay, 100, &Remainder);\r
     if ( Remainder !=0 ) {\r
@@ -351,7 +353,9 @@ PcatRootBridgeIoPollIo (
     return EFI_SUCCESS;\r
   }\r
 \r
-  if (Delay != 0) {\r
+  if (Delay == 0) {\r
+    return EFI_SUCCESS;\r
+  } else {\r
 \r
     NumberOfTicks = DivU64x32Remainder (Delay, 100, &Remainder);\r
     if ( Remainder !=0 ) {\r