scsi: libiscsi: fix shifting of DID_REQUEUE host byte

The SCSI host byte should be shifted left by 16 in order to have
scsi_decide_disposition() do the right thing (.i.e. requeue the
command).

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Fixes: 661134a ("[SCSI] libiscsi, bnx2i: make bound ep check common")
Cc: Lee Duncan <lduncan@suse.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Bart Van Assche <Bart.VanAssche@sandisk.com>
Cc: Chris Leech <cleech@redhat.com>
Acked-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/libiscsi.c

@@ -1728,7 +1728,7 @@ int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc)
 
 	if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
 		reason = FAILURE_SESSION_IN_RECOVERY;
-		sc->result = DID_REQUEUE;
+		sc->result = DID_REQUEUE << 16;
 		goto fault;
 	}