1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index 234f0b7eb21c..fd181c2a8ae4 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -335,12 +335,17 @@ static struct device_attribute *megaraid_sdev_attrs[] = {
  * megaraid_change_queue_depth - Change the device's queue depth
  * @sdev:       scsi device struct
  * @qdepth:     depth to set
+ * @reason:     calling context
  *
  * Return value:
  *      actual depth set
  */
-static int megaraid_change_queue_depth(struct scsi_device *sdev, int qdepth)
+static int megaraid_change_queue_depth(struct scsi_device *sdev, int qdepth,
+                                       int reason)
 {
+        if (reason != SCSI_QDEPTH_DEFAULT)
+                return -EOPNOTSUPP;
+
         if (qdepth > MBOX_MAX_SCSI_CMDS)
                 qdepth = MBOX_MAX_SCSI_CMDS;
         scsi_adjust_queue_depth(sdev, 0, qdepth);