From 1c53b2387cd6a6edb2bea804040127d6e98dded0 Mon Sep 17 00:00:00 2001 From: Hao Wu Date: Wed, 23 Dec 2015 01:35:01 +0000 Subject: 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 Reviewed-by: Feng Tian git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2015@19466 6f19259b-4bc3-4df7-8a09-765794883524 --- MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'MdeModulePkg/Bus') 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; -- cgit v1.2.3