target: core_tpg_post_dellun can return void

Nothing in it can raise an error.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

drivers/target/target_core_internal.h

@@ -83,7 +83,7 @@ struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u32);
 int	core_tpg_add_lun(struct se_portal_group *, struct se_lun *,
 		u32, struct se_device *);
 struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32 unpacked_lun);
-int	core_tpg_post_dellun(struct se_portal_group *, struct se_lun *);
+void core_tpg_post_dellun(struct se_portal_group *, struct se_lun *);
 
 /* target_core_transport.c */
 extern struct kmem_cache *se_tmr_req_cache;

drivers/target/target_core_tpg.c

@@ -867,7 +867,7 @@ struct se_lun *core_tpg_pre_dellun(
 	return lun;
 }
 
-int core_tpg_post_dellun(
+void core_tpg_post_dellun(
 	struct se_portal_group *tpg,
 	struct se_lun *lun)
 {
@@ -881,6 +881,4 @@ int core_tpg_post_dellun(
 	spin_unlock(&tpg->tpg_lun_lock);
 
 	percpu_ref_exit(&lun->lun_ref);
-
-	return 0;
 }