From dbbf51f6bde01d36956a29543ba3ac325b41e729 Mon Sep 17 00:00:00 2001
From: Hao Wu <hao.a.wu@intel.com>
Date: Wed, 23 Dec 2015 01:34:09 +0000
Subject: MdeModulePkg ScsiDiskDxe: Set block I/O media of SCSI CDROM to
 read-only

(Sync patch r19443 from main trunk.)

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2015@19464 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
index d83fa24a4f..8d8209b121 100644
--- a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
+++ b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
@@ -256,6 +256,7 @@ ScsiDiskDriverBindingStart (
 
   case EFI_SCSI_TYPE_CDROM:
     ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;
+    ScsiDiskDevice->BlkIo.Media->ReadOnly  = TRUE;
     MustReadCapacity = FALSE;
     break;
   }
-- 
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