MdeModulePkg/DiskIoDxe: fix source/destination pointer of overrun transfer

[mirror_edk2.git] / MdeModulePkg / Universal / Disk / DiskIoDxe / DiskIo.c

diff --git a/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.c b/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.c
index e8af46f6c0ce60d9db7af0814d78fe3a243778ac..ba61300911fdaed12ca10d2ae9e1f31f6605940e 100644 (file)
--- a/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.c
+++ b/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.c
@@ -642,7 +642,7 @@ DiskIoCreateSubtaskList (
       InsertTailList (Subtasks, &Subtask->Link);\r
     }\r
 \r
-    Subtask = DiskIoCreateSubtask (Write, OverRunLba, 0, OverRun, WorkingBuffer, BufferPtr, Blocking);\r
+    Subtask = DiskIoCreateSubtask (Write, OverRunLba, 0, OverRun, WorkingBuffer, BufferPtr + BufferSize, Blocking);\r
     if (Subtask == NULL) {\r
       goto Done;\r
     }\r