Revision: 19445
http://sourceforge.net/p/edk2/code/19445
Author: hwu1225
Date: 2015-12-22 13:54:47 +0000 (Tue, 22 Dec 2015)
Log Message:
-----------
MdeModulePkg ScsiDiskDxe: Modify WriteBlocks(Ex)() to follow UEFI spec
The functions ScsiDiskWriteBlocks(Ex) in ScsiDiskDxe/ScsiDisk.c do not
check whether the device is allow to be written originally.
This commit will add read-only check to follow the UEFI spec.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <[email protected]>
Reviewed-by: Feng Tian <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
Modified: trunk/edk2/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
===================================================================
--- trunk/edk2/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c 2015-12-22
13:54:16 UTC (rev 19444)
+++ trunk/edk2/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c 2015-12-22
13:54:47 UTC (rev 19445)
@@ -692,6 +692,11 @@
goto Done;
}
+ if (Media->ReadOnly) {
+ Status = EFI_WRITE_PROTECTED;
+ goto Done;
+ }
+
if (BufferSize == 0) {
Status = EFI_SUCCESS;
goto Done;
@@ -1048,6 +1053,11 @@
goto Done;
}
+ if (Media->ReadOnly) {
+ Status = EFI_WRITE_PROTECTED;
+ goto Done;
+ }
+
if (BufferSize == 0) {
if ((Token != NULL) && (Token->Event != NULL)) {
Token->TransactionStatus = EFI_SUCCESS;
------------------------------------------------------------------------------
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