tcm_usb: remove struct usbg_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/usb/gadget/legacy/tcm_usb_gadget.c

@@ -1380,22 +1380,14 @@ static char *usbg_parse_pr_out_transport_id(
 
 static struct se_node_acl *usbg_alloc_fabric_acl(struct se_portal_group *se_tpg)
 {
-	struct usbg_nacl *nacl;
-
-	nacl = kzalloc(sizeof(struct usbg_nacl), GFP_KERNEL);
-	if (!nacl)
-		return NULL;
-
-	return &nacl->se_node_acl;
+	return kzalloc(sizeof(struct se_node_acl), GFP_KERNEL);
 }
 
 static void usbg_release_fabric_acl(
 	struct se_portal_group *se_tpg,
 	struct se_node_acl *se_nacl)
 {
-	struct usbg_nacl *nacl = container_of(se_nacl,
-			struct usbg_nacl, se_node_acl);
-	kfree(nacl);
+	kfree(se_nacl);
 }
 
 static u32 usbg_tpg_get_inst_index(struct se_portal_group *se_tpg)
@@ -1495,8 +1487,6 @@ static struct se_node_acl *usbg_make_nodeacl(
 	const char *name)
 {
 	struct se_node_acl *se_nacl, *se_nacl_new;
-	struct usbg_nacl *nacl;
-	u64 wwpn = 0;
 	u32 nexus_depth;
 	const char *wnn_name;
 
@@ -1518,21 +1508,13 @@ static struct se_node_acl *usbg_make_nodeacl(
 		usbg_release_fabric_acl(se_tpg, se_nacl_new);
 		return se_nacl;
 	}
-	/*
-	 * Locate our struct usbg_nacl and set the FC Nport WWPN
-	 */
-	nacl = container_of(se_nacl, struct usbg_nacl, se_node_acl);
-	nacl->iport_wwpn = wwpn;
-	snprintf(nacl->iport_name, sizeof(nacl->iport_name), "%s", name);
 	return se_nacl;
 }
 
 static void usbg_drop_nodeacl(struct se_node_acl *se_acl)
 {
-	struct usbg_nacl *nacl = container_of(se_acl,
-				struct usbg_nacl, se_node_acl);
 	core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1);
-	kfree(nacl);
+	kfree(se_acl);
 }
 
 struct usbg_tpg *the_only_tpg_I_currently_have;

drivers/usb/gadget/legacy/tcm_usb_gadget.h

@@ -25,15 +25,6 @@ enum {
 #define USB_G_ALT_INT_BBB       0
 #define USB_G_ALT_INT_UAS       1
 
-struct usbg_nacl {
-	/* Binary World Wide unique Port Name for SAS Initiator port */
-	u64 iport_wwpn;
-	/* ASCII formatted WWPN for Sas Initiator port */
-	char iport_name[USBG_NAMELEN];
-	/* Returned by usbg_make_nodeacl() */
-	struct se_node_acl se_node_acl;
-};
-
 struct tcm_usbg_nexus {
 	struct se_session *tvn_se_sess;
 };