diff options
| author | Hao Wu <hao.a.wu@intel.com> | 2015-12-23 01:35:01 +0000 |
|---|---|---|
| committer | hwu1225 <hwu1225@Edk2> | 2015-12-23 01:35:01 +0000 |
| commit | 1c53b2387cd6a6edb2bea804040127d6e98dded0 (patch) | |
| tree | 90f24623912b4368893e9efebcc46e424efa9aa7 | |
| parent | 7794116bcdf6066b6f5483f116efb00fe69cb25e (diff) | |
| download | edk2-platforms-1c53b2387cd6a6edb2bea804040127d6e98dded0.tar.xz | |
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 <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@19466 6f19259b-4bc3-4df7-8a09-765794883524
| -rw-r--r-- | MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c index 4f58254c3b..238718501c 100644 --- a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c +++ b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c @@ -692,6 +692,11 @@ ScsiDiskWriteBlocks ( goto Done;
}
+ if (Media->ReadOnly) {
+ Status = EFI_WRITE_PROTECTED;
+ goto Done;
+ }
+
if (BufferSize == 0) {
Status = EFI_SUCCESS;
goto Done;
@@ -1048,6 +1053,11 @@ ScsiDiskWriteBlocksEx ( goto Done;
}
+ if (Media->ReadOnly) {
+ Status = EFI_WRITE_PROTECTED;
+ goto Done;
+ }
+
if (BufferSize == 0) {
if ((Token != NULL) && (Token->Event != NULL)) {
Token->TransactionStatus = EFI_SUCCESS;
|