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-rw-r--r--drivers/scsi/sd.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index bb5b242ac6b4..8613a1317712 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -769,20 +769,16 @@ static void sd_end_flush(request_queue_t *q, struct request *flush_rq)
769static int sd_prepare_flush(request_queue_t *q, struct request *rq) 769static int sd_prepare_flush(request_queue_t *q, struct request *rq)
770{ 770{
771 struct scsi_device *sdev = q->queuedata; 771 struct scsi_device *sdev = q->queuedata;
772 struct scsi_disk *sdkp = scsi_disk_get_from_dev(&sdev->sdev_gendev); 772 struct scsi_disk *sdkp = dev_get_drvdata(&sdev->sdev_gendev);
773 int ret = 0;
774 773
775 if (sdkp) { 774 if (!sdkp || !sdkp->WCE)
776 if (sdkp->WCE) { 775 return 0;
777 memset(rq->cmd, 0, sizeof(rq->cmd)); 776
778 rq->flags |= REQ_BLOCK_PC | REQ_SOFTBARRIER; 777 memset(rq->cmd, 0, sizeof(rq->cmd));
779 rq->timeout = SD_TIMEOUT; 778 rq->flags |= REQ_BLOCK_PC | REQ_SOFTBARRIER;
780 rq->cmd[0] = SYNCHRONIZE_CACHE; 779 rq->timeout = SD_TIMEOUT;
781 ret = 1; 780 rq->cmd[0] = SYNCHRONIZE_CACHE;
782 } 781 return 1;
783 scsi_disk_put(sdkp);
784 }
785 return ret;
786} 782}
787 783
788static void sd_rescan(struct device *dev) 784static void sd_rescan(struct device *dev)