MdeModulePkg/UdfDxe: Remove negative comparison of unsigned number

[mirror_edk2.git] / MdeModulePkg / Universal / Disk / UdfDxe / FileSystemOperations.c

diff --git a/MdeModulePkg/Universal/Disk/UdfDxe/FileSystemOperations.c b/MdeModulePkg/Universal/Disk/UdfDxe/FileSystemOperations.c
index 904262a2ba5cec52d2c840779e986fe228686de1..2039f80289c352043c9d4acdf03dd22996218624 100644 (file)
--- a/MdeModulePkg/Universal/Disk/UdfDxe/FileSystemOperations.c
+++ b/MdeModulePkg/Universal/Disk/UdfDxe/FileSystemOperations.c
@@ -962,9 +962,14 @@ ReadFile (
         );\r
 \r
       ReadFileInfo->FilePosition += ReadFileInfo->FileDataSize;\r
+    } else {\r
+      ASSERT (FALSE);\r
+      return EFI_INVALID_PARAMETER;\r
     }\r
 \r
+    Status = EFI_SUCCESS;\r
     break;\r
+\r
   case LONG_ADS_SEQUENCE:\r
   case SHORT_ADS_SEQUENCE:\r
     //\r
@@ -1077,9 +1082,6 @@ ReadFile (
 \r
         if (FilePosition + ExtentLength > ReadFileInfo->FilePosition) {\r
           Offset = ReadFileInfo->FilePosition - FilePosition;\r
-          if (Offset < 0) {\r
-            Offset = -(Offset);\r
-          }\r
         } else {\r
           Offset = 0;\r
         }\r