Fix minor coding style issue.

[mirror_edk2.git] / IntelFrameworkModulePkg / Bus / Isa / IsaSerialDxe / Serial.c

diff --git a/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c b/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c
index b8421122307e31aef795a042a285ea893b2658fd..317ac78fcd3302bec26418613678acf8215a076d 100644 (file)
--- a/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c
+++ b/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c
@@ -195,6 +195,7 @@ SerialControllerDriverSupported (
   EFI_OPEN_PROTOCOL_INFORMATION_ENTRY       *OpenInfoBuffer;\r
   UINTN                                     EntryCount;\r
   UINTN                                     Index;\r
+  BOOLEAN                                   HasFlowControl;\r
 \r
   //\r
   // Check RemainingDevicePath validation\r
@@ -298,9 +299,11 @@ SerialControllerDriverSupported (
                         Controller,\r
                         EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
                         );\r
-        if (!EFI_ERROR (Status) &&\r
-            (ContainsFlowControl (RemainingDevicePath) ^ ContainsFlowControl (DevicePath))) {\r
-          Status = EFI_UNSUPPORTED;\r
+        if (!EFI_ERROR (Status)) {\r
+          HasFlowControl = ContainsFlowControl (RemainingDevicePath);\r
+          if (HasFlowControl ^ ContainsFlowControl (DevicePath)) {\r
+            Status = EFI_UNSUPPORTED;\r
+          }\r
         }\r
         break;\r
       }\r
@@ -1556,9 +1559,9 @@ IsaSerialSetControl (
   //\r
   // first determine the parameter is invalid\r
   //\r
-  if (Control & (~(EFI_SERIAL_REQUEST_TO_SEND | EFI_SERIAL_DATA_TERMINAL_READY |\r
-                   EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE | EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE | \r
-                   EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE))) {\r
+  if ((Control & (~(EFI_SERIAL_REQUEST_TO_SEND | EFI_SERIAL_DATA_TERMINAL_READY |\r
+                    EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE | EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE | \r
+                    EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE))) != 0) {\r
     return EFI_UNSUPPORTED;\r
   }\r
 \r