[SCSI] ide-scsi: Close narrow race in release

We were releasing the block devices before removing the host, so commands
could still be coming in which would cause a panic.  Just remove the
host before releasing the block devices to close this race.

Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 3b55a6c..d81bb076 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -671,6 +671,7 @@
 	struct ide_scsi_obj *scsi = scsihost_to_idescsi(scsihost);
 	struct gendisk *g = scsi->disk;
 
+	scsi_remove_host(scsihost);
 	ide_proc_unregister_driver(drive, scsi->driver);
 
 	ide_unregister_region(g);
@@ -679,7 +680,6 @@
 	g->private_data = NULL;
 	put_disk(g);
 
-	scsi_remove_host(scsihost);
 	ide_scsi_put(scsi);
 }