usb-storage: reorganize target-specific code

Now that usb-storage has a target_alloc() routine, this patch (as1508)
moves some existing target-specific code out of the slave_alloc()
routine to where it really belongs.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 15 insertions, 14 deletions

diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index dc68cc9fef5d..a324a5d21e99 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -78,8 +78,6 @@ static const char* host_info(struct Scsi_Host *host)
 
 static int slave_alloc (struct scsi_device *sdev)
 {
-        struct us_data *us = host_to_us(sdev->host);
-
         /*
          * Set the INQUIRY transfer length to 36.  We don't use any of
          * the extra data and many devices choke if asked for more or
@@ -104,18 +102,6 @@ static int slave_alloc (struct scsi_device *sdev)
          */
         blk_queue_update_dma_alignment(sdev->request_queue, (512 - 1));
 
-        /*
-         * The UFI spec treates the Peripheral Qualifier bits in an
-         * INQUIRY result as reserved and requires devices to set them
-         * to 0.  However the SCSI spec requires these bits to be set
-         * to 3 to indicate when a LUN is not present.
-         *
-         * Let the scanning code know if this target merely sets
-         * Peripheral Device Type to 0x1f to indicate no LUN.
-         */
-        if (us->subclass == USB_SC_UFI)
-                sdev->sdev_target->pdt_1f_for_no_lun = 1;
-
         return 0;
 }
 
@@ -278,6 +264,8 @@ static int slave_configure(struct scsi_device *sdev)
 
 static int target_alloc(struct scsi_target *starget)
 {
+        struct us_data *us = host_to_us(dev_to_shost(starget->dev.parent));
+
         /*
          * Some USB drives don't support REPORT LUNS, even though they
          * report a SCSI revision level above 2.  Tell the SCSI layer
@@ -285,6 +273,19 @@ static int target_alloc(struct scsi_target *starget)
          * scan instead.
          */
         starget->no_report_luns = 1;
+
+        /*
+         * The UFI spec treats the Peripheral Qualifier bits in an
+         * INQUIRY result as reserved and requires devices to set them
+         * to 0.  However the SCSI spec requires these bits to be set
+         * to 3 to indicate when a LUN is not present.
+         *
+         * Let the scanning code know if this target merely sets
+         * Peripheral Device Type to 0x1f to indicate no LUN.
+         */
+        if (us->subclass == USB_SC_UFI)
+                starget->pdt_1f_for_no_lun = 1;
+
         return 0;
 }