Revision: 19466
http://sourceforge.net/p/edk2/code/19466
Author: hwu1225
Date: 2015-12-23 01:35:01 +0000 (Wed, 23 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.
(Sync patch r19445 from main trunk.)
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <[email protected]>
Reviewed-by: Feng Tian <[email protected]>
Revision Links:
--------------
http://sourceforge.net/p/edk2/code/19445
Modified Paths:
--------------
branches/UDK2015/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
Modified: branches/UDK2015/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
===================================================================
--- branches/UDK2015/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
2015-12-23 01:34:36 UTC (rev 19465)
+++ branches/UDK2015/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
2015-12-23 01:35:01 UTC (rev 19466)
@@ -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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