UBI: remove built-in gluebi

Remove built-in gluebi support. This is a preparation for a
standalone glubi module support

Signed-off-by: Dmitry Pervushin <dpervushin@embeddedalley.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index e151862..ab64cb5 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -317,10 +317,6 @@
 		goto out_mapping;
 	}
 
-	err = ubi_create_gluebi(ubi, vol);
-	if (err)
-		goto out_cdev;
-
 	vol->dev.release = vol_release;
 	vol->dev.parent = &ubi->dev;
 	vol->dev.devt = dev;
@@ -330,7 +326,7 @@
 	err = device_register(&vol->dev);
 	if (err) {
 		ubi_err("cannot register device");
-		goto out_gluebi;
+		goto out_cdev;
 	}
 
 	err = volume_sysfs_init(ubi, vol);
@@ -375,10 +371,6 @@
 	do_free = 0;
 	get_device(&vol->dev);
 	volume_sysfs_close(vol);
-out_gluebi:
-	if (ubi_destroy_gluebi(vol))
-		dbg_err("cannot destroy gluebi for volume %d:%d",
-			ubi->ubi_num, vol_id);
 out_cdev:
 	cdev_del(&vol->cdev);
 out_mapping:
@@ -433,10 +425,6 @@
 	ubi->volumes[vol_id] = NULL;
 	spin_unlock(&ubi->volumes_lock);
 
-	err = ubi_destroy_gluebi(vol);
-	if (err)
-		goto out_err;
-
 	if (!no_vtbl) {
 		err = ubi_change_vtbl_record(ubi, vol_id, NULL);
 		if (err)
@@ -674,10 +662,6 @@
 		return err;
 	}
 
-	err = ubi_create_gluebi(ubi, vol);
-	if (err)
-		goto out_cdev;
-
 	vol->dev.release = vol_release;
 	vol->dev.parent = &ubi->dev;
 	vol->dev.devt = dev;
@@ -685,12 +669,11 @@
 	dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id);
 	err = device_register(&vol->dev);
 	if (err)
-		goto out_gluebi;
+		goto out_cdev;
 
 	err = volume_sysfs_init(ubi, vol);
 	if (err) {
 		cdev_del(&vol->cdev);
-		err = ubi_destroy_gluebi(vol);
 		volume_sysfs_close(vol);
 		return err;
 	}
@@ -699,8 +682,6 @@
 		dbg_err("check failed while adding volume %d", vol_id);
 	return err;
 
-out_gluebi:
-	err = ubi_destroy_gluebi(vol);
 out_cdev:
 	cdev_del(&vol->cdev);
 	return err;
@@ -716,12 +697,9 @@
  */
 void ubi_free_volume(struct ubi_device *ubi, struct ubi_volume *vol)
 {
-	int err;
-
 	dbg_gen("free volume %d", vol->vol_id);
 
 	ubi->volumes[vol->vol_id] = NULL;
-	err = ubi_destroy_gluebi(vol);
 	cdev_del(&vol->cdev);
 	volume_sysfs_close(vol);
 }