[USBSTOR]

- Set the correct transfer direction value in the CBW
- Fixes the infamous system hang that occurred when writing to a USB drive

svn path=/branches/usb-bringup-trunk/; revision=55223

diff --git a/drivers/usb/usbstor/scsi.c b/drivers/usb/usbstor/scsi.c
index 3dfc5a1..68b7aac 100644 (file)
--- a/drivers/usb/usbstor/scsi.c
+++ b/drivers/usb/usbstor/scsi.c
@@ -31,7 +31,7 @@ USBSTOR_BuildCBW(
     Control->Signature = CBW_SIGNATURE;
     Control->Tag = Tag;
     Control->DataTransferLength = DataTransferLength;
     Control->Signature = CBW_SIGNATURE;
     Control->Tag = Tag;
     Control->DataTransferLength = DataTransferLength;

-    Control->Flags = 0x80;
+    Control->Flags = (CommandBlock[0] != SCSIOP_WRITE) ? 0x80 : 0x00;

     Control->LUN = (LUN & MAX_LUN);
     Control->CommandBlockLength = CommandBlockLength;
 
     Control->LUN = (LUN & MAX_LUN);
     Control->CommandBlockLength = CommandBlockLength;