diff options
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index af294bb68c35..d34dc9f417f0 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -156,6 +156,14 @@ static int slave_configure(struct scsi_device *sdev) if (us->flags & US_FL_FIX_CAPACITY) sdev->fix_capacity = 1; + /* Some devices report a SCSI revision level above 2 but are + * unable to handle the REPORT LUNS command (for which + * support is mandatory at level 3). Since we already have + * a Get-Max-LUN request, we won't lose much by setting the + * revision level down to 2. The only devices that would be + * affected are those with sparse LUNs. */ + sdev->scsi_level = SCSI_2; + /* USB-IDE bridges tend to report SK = 0x04 (Non-recoverable * Hardware Error) when any low-level error occurs, * recoverable or not. Setting this flag tells the SCSI |