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path: root/drivers/usb/storage/transport.c
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Diffstat (limited to 'drivers/usb/storage/transport.c')
-rw-r--r--drivers/usb/storage/transport.c36
1 files changed, 3 insertions, 33 deletions
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index 1d5438e6363..fb65d221ced 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -558,32 +558,10 @@ static void last_sector_hacks(struct us_data *us, struct scsi_cmnd *srb)
if (srb->result == SAM_STAT_GOOD && scsi_get_resid(srb) == 0) {
- /* The command succeeded. If the capacity is odd
- * (i.e., if the sector number is even) then the
- * "always-even" heuristic would be wrong for this
- * device. Issue a WARN() so that the kerneloops.org
- * project will be notified and we will then know to
- * mark the device with a CAPACITY_OK flag. Hopefully
- * this will occur for only a few devices.
- *
- * Use the sign of us->last_sector_hacks to tell whether
- * the warning has already been issued; we don't need
- * more than one warning per device.
+ /* The command succeeded. We know this device doesn't
+ * have the last-sector bug, so stop checking it.
*/
- if (!(sector & 1) && us->use_last_sector_hacks > 0) {
- unsigned vid = le16_to_cpu(
- us->pusb_dev->descriptor.idVendor);
- unsigned pid = le16_to_cpu(
- us->pusb_dev->descriptor.idProduct);
- unsigned rev = le16_to_cpu(
- us->pusb_dev->descriptor.bcdDevice);
-
- WARN(1, "%s: Successful last sector success at %u, "
- "device %04x:%04x:%04x\n",
- sdkp->disk->disk_name, sector,
- vid, pid, rev);
- us->use_last_sector_hacks = -1;
- }
+ us->use_last_sector_hacks = 0;
} else {
/* The command failed. Allow up to 3 retries in case this
@@ -599,14 +577,6 @@ static void last_sector_hacks(struct us_data *us, struct scsi_cmnd *srb)
srb->result = SAM_STAT_CHECK_CONDITION;
memcpy(srb->sense_buffer, record_not_found,
sizeof(record_not_found));
-
- /* In theory we might want to issue a WARN() here if the
- * capacity is even, since it could indicate the device
- * has the READ CAPACITY bug _and_ the real capacity is
- * odd. But it could also indicate that the device
- * simply can't access its last sector, a failure mode
- * which is surprisingly common. So no warning.
- */
}
done: