vhost/scsi: remove struct vhost_scsi_nacl

Except for the embedded struct se_node_acl none of the fields were
ever used.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

drivers/vhost/scsi.c

@@ -115,15 +115,6 @@ struct vhost_scsi_nexus {
 	struct se_session *tvn_se_sess;
 };
 
-struct vhost_scsi_nacl {
-	/* Binary World Wide unique Port Name for Vhost Initiator port */
-	u64 iport_wwpn;
-	/* ASCII formatted WWPN for Sas Initiator port */
-	char iport_name[VHOST_SCSI_NAMELEN];
-	/* Returned by vhost_scsi_make_nodeacl() */
-	struct se_node_acl se_node_acl;
-};
-
 struct vhost_scsi_tpg {
 	/* Vhost port target portal group tag for TCM */
 	u16 tport_tpgt;
@@ -442,24 +433,14 @@ static int vhost_scsi_check_prot_fabric_only(struct se_portal_group *se_tpg)
 static struct se_node_acl *
 vhost_scsi_alloc_fabric_acl(struct se_portal_group *se_tpg)
 {
-	struct vhost_scsi_nacl *nacl;
-
-	nacl = kzalloc(sizeof(struct vhost_scsi_nacl), GFP_KERNEL);
-	if (!nacl) {
-		pr_err("Unable to allocate struct vhost_scsi_nacl\n");
-		return NULL;
-	}
-
-	return &nacl->se_node_acl;
+	return kzalloc(sizeof(struct se_node_acl), GFP_KERNEL);
 }
 
 static void
 vhost_scsi_release_fabric_acl(struct se_portal_group *se_tpg,
 			     struct se_node_acl *se_nacl)
 {
-	struct vhost_scsi_nacl *nacl = container_of(se_nacl,
-			struct vhost_scsi_nacl, se_node_acl);
-	kfree(nacl);
+	kfree(se_nacl);
 }
 
 static u32 vhost_scsi_tpg_get_inst_index(struct se_portal_group *se_tpg)
@@ -1828,8 +1809,6 @@ vhost_scsi_make_nodeacl(struct se_portal_group *se_tpg,
 		       const char *name)
 {
 	struct se_node_acl *se_nacl, *se_nacl_new;
-	struct vhost_scsi_nacl *nacl;
-	u64 wwpn = 0;
 	u32 nexus_depth;
 
 	/* vhost_scsi_parse_wwn(name, &wwpn, 1) < 0)
@@ -1849,21 +1828,14 @@ vhost_scsi_make_nodeacl(struct se_portal_group *se_tpg,
 		vhost_scsi_release_fabric_acl(se_tpg, se_nacl_new);
 		return se_nacl;
 	}
-	/*
-	 * Locate our struct vhost_scsi_nacl and set the FC Nport WWPN
-	 */
-	nacl = container_of(se_nacl, struct vhost_scsi_nacl, se_node_acl);
-	nacl->iport_wwpn = wwpn;
 
 	return se_nacl;
 }
 
 static void vhost_scsi_drop_nodeacl(struct se_node_acl *se_acl)
 {
-	struct vhost_scsi_nacl *nacl = container_of(se_acl,
-				struct vhost_scsi_nacl, se_node_acl);
 	core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1);
-	kfree(nacl);
+	kfree(se_acl);
 }
 
 static void vhost_scsi_free_cmd_map_res(struct vhost_scsi_nexus *nexus,