diff options
Diffstat (limited to 'drivers/scsi/sd.c')
| -rw-r--r-- | drivers/scsi/sd.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 3f048bd6326d..5a8f55fea5ff 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1269,9 +1269,18 @@ repeat: /* Some devices return the total number of sectors, not the * highest sector number. Make the necessary adjustment. */ - if (sdp->fix_capacity) + if (sdp->fix_capacity) { --sdkp->capacity; + /* Some devices have version which report the correct sizes + * and others which do not. We guess size according to a heuristic + * and err on the side of lowering the capacity. */ + } else { + if (sdp->guess_capacity) + if (sdkp->capacity & 0x01) /* odd sizes are odd */ + --sdkp->capacity; + } + got_data: if (sector_size == 0) { sector_size = 512; |