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authorLinus Torvalds <torvalds@g5.osdl.org>2005-09-08 17:21:02 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-08 17:21:02 -0700
commit54205209732a05f51f5fbb3eb3e5c36ac81e79d9 (patch)
tree4992850c7d5d5ed4034cbd4fe5f5ea23aeff317e /drivers/usb/storage/scsiglue.c
parent6d8de3a26b5c20b04a9317b4446582167d5883da (diff)
parentb71e318cdb1dc301d734fdd4983dfc6dc167235a (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
Diffstat (limited to 'drivers/usb/storage/scsiglue.c')
-rw-r--r--drivers/usb/storage/scsiglue.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index af294bb68c3..d34dc9f417f 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