1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 62e6b9ea96af..1683ebda900b 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1208,6 +1208,7 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev)
  *      ata_scsi_change_queue_depth - SCSI callback for queue depth config
  *      @sdev: SCSI device to configure queue depth for
  *      @queue_depth: new queue depth
+ *      @reason: calling context
  *
  *      This is libata standard hostt->change_queue_depth callback.
  *      SCSI will call into this callback when user tries to set queue
@@ -1219,12 +1220,16 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev)
  *      RETURNS:
  *      Newly configured queue depth.
  */
-int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth)
+int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth,
+                                int reason)
 {
         struct ata_port *ap = ata_shost_to_port(sdev->host);
         struct ata_device *dev;
         unsigned long flags;
 
+        if (reason != SCSI_QDEPTH_DEFAULT)
+                return -EOPNOTSUPP;
+
         if (queue_depth < 1 || queue_depth == sdev->queue_depth)
                 return sdev->queue_depth;