The double `only' is duplicated in line 1806, remove one.

Signed-off-by: min tang <tangmin@cdjrlc.com>
---
 drivers/scsi/sd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 749316462075..aae7ec6651e0 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1803,7 +1803,7 @@ static const struct block_device_operations sd_fops = {
  *
  *	This function is called by the SCSI midlayer before starting
  *	SCSI EH. When counting medium access failures we have to be
- *	careful to register it only only once per device and SCSI EH run;
+ *	careful to register it only once per device and SCSI EH run;
  *	there might be several timed out commands which will cause the
  *	'max_medium_access_timeouts' counter to trigger after the first
  *	SCSI EH run already and set the device to offline.
-- 
2.17.1