11 files changed, 4 insertions, 58 deletions

diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 8b42401d4795..3b425af04572 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1960,14 +1960,6 @@ static void __srpt_close_all_ch(struct srpt_device *sdev)
 	}
 }
 
-/**
- * srpt_shutdown_session() - Whether or not a session may be shut down.
- */
-static int srpt_shutdown_session(struct se_session *se_sess)
-{
-	return 1;
-}
-
 static void srpt_free_ch(struct kref *kref)
 {
 	struct srpt_rdma_ch *ch = container_of(kref, struct srpt_rdma_ch, kref);
@@ -3287,7 +3279,6 @@ static const struct target_core_fabric_ops srpt_template = {
 	.tpg_get_inst_index		= srpt_tpg_get_inst_index,
 	.release_cmd			= srpt_release_cmd,
 	.check_stop_free		= srpt_check_stop_free,
-	.shutdown_session		= srpt_shutdown_session,
 	.close_session			= srpt_close_session,
 	.sess_get_index			= srpt_sess_get_index,
 	.sess_get_initiator_sid		= NULL,
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 0ad5ac541a7f..0941b2c13f5a 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -601,11 +601,6 @@ static int tcm_loop_get_cmd_state(struct se_cmd *se_cmd)
 	return tl_cmd->sc_cmd_state;
 }
 
-static int tcm_loop_shutdown_session(struct se_session *se_sess)
-{
-	return 0;
-}
-
 static void tcm_loop_close_session(struct se_session *se_sess)
 {
 	return;
@@ -1243,7 +1238,6 @@ static const struct target_core_fabric_ops loop_ops = {
 	.tpg_get_inst_index		= tcm_loop_get_inst_index,
 	.check_stop_free		= tcm_loop_check_stop_free,
 	.release_cmd			= tcm_loop_release_cmd,
-	.shutdown_session		= tcm_loop_shutdown_session,
 	.close_session			= tcm_loop_close_session,
 	.sess_get_index			= tcm_loop_sess_get_index,
 	.write_pending			= tcm_loop_write_pending,
diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
index c57e7884973d..6c8b8f84a047 100644
--- a/drivers/target/sbp/sbp_target.c
+++ b/drivers/target/sbp/sbp_target.c
@@ -1726,11 +1726,6 @@ static void sbp_release_cmd(struct se_cmd *se_cmd)
 	sbp_free_request(req);
 }
 
-static int sbp_shutdown_session(struct se_session *se_sess)
-{
-	return 0;
-}
-
 static void sbp_close_session(struct se_session *se_sess)
 {
 	return;
@@ -2349,7 +2344,6 @@ static const struct target_core_fabric_ops sbp_ops = {
 	.tpg_check_prod_mode_write_protect = sbp_check_false,
 	.tpg_get_inst_index		= sbp_tpg_get_inst_index,
 	.release_cmd			= sbp_release_cmd,
-	.shutdown_session		= sbp_shutdown_session,
 	.close_session			= sbp_close_session,
 	.sess_get_index			= sbp_sess_get_index,
 	.write_pending			= sbp_write_pending,
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 73c23c75528a..75c5000ca95e 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -385,10 +385,6 @@ static int target_fabric_tf_ops_check(const struct target_core_fabric_ops *tfo)
 		pr_err("Missing tfo->release_cmd()\n");
 		return -EINVAL;
 	}
-	if (!tfo->shutdown_session) {
-		pr_err("Missing tfo->shutdown_session()\n");
-		return -EINVAL;
-	}
 	if (!tfo->close_session) {
 		pr_err("Missing tfo->close_session()\n");
 		return -EINVAL;
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index b1ac600f5b45..a81a37045403 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -353,7 +353,10 @@ restart:
 		list_del_init(&sess->sess_acl_list);
 
 		spin_unlock_irqrestore(&acl->nacl_sess_lock, flags);
-		ret = acl->se_tpg->se_tpg_tfo->shutdown_session(sess);
+		if (acl->se_tpg->se_tpg_tfo->shutdown_session)
+			ret = acl->se_tpg->se_tpg_tfo->shutdown_session(sess);
+		else
+			ret = 1;
 		target_put_session(sess);
 		if (ret)
 			target_put_session(sess);
diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h
index c30003bd4ff0..e28209b99b59 100644
--- a/drivers/target/tcm_fc/tcm_fc.h
+++ b/drivers/target/tcm_fc/tcm_fc.h
@@ -139,7 +139,6 @@ extern unsigned int ft_debug_logging;
  * Session ops.
  */
 void ft_sess_put(struct ft_sess *);
-int ft_sess_shutdown(struct se_session *);
 void ft_sess_close(struct se_session *);
 u32 ft_sess_get_index(struct se_session *);
 u32 ft_sess_get_port_name(struct se_session *, unsigned char *, u32);
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 4d375e95841b..42ee91123dca 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -442,7 +442,6 @@ static const struct target_core_fabric_ops ft_fabric_ops = {
 	.tpg_get_inst_index =		ft_tpg_get_inst_index,
 	.check_stop_free =		ft_check_stop_free,
 	.release_cmd =			ft_release_cmd,
-	.shutdown_session =		ft_sess_shutdown,
 	.close_session =		ft_sess_close,
 	.sess_get_index =		ft_sess_get_index,
 	.sess_get_initiator_sid =	NULL,
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index d0c3e1894c61..f5186a744399 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -303,18 +303,6 @@ static void ft_sess_delete_all(struct ft_tport *tport)
  */
 
 /*
- * Determine whether session is allowed to be shutdown in the current context.
- * Returns non-zero if the session should be shutdown.
- */
-int ft_sess_shutdown(struct se_session *se_sess)
-{
-	struct ft_sess *sess = se_sess->fabric_sess_ptr;
-
-	pr_debug("port_id %x\n", sess->port_id);
-	return 1;
-}
-
-/*
  * Remove session and send PRLO.
  * This is called when the ACL is being deleted or queue depth is changing.
  */
diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index 2ace0295408e..f4ed427e04ce 100644
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -1290,11 +1290,6 @@ static void usbg_release_cmd(struct se_cmd *se_cmd)
 	percpu_ida_free(&se_sess->sess_tag_pool, se_cmd->map_tag);
 }
 
-static int usbg_shutdown_session(struct se_session *se_sess)
-{
-	return 0;
-}
-
 static void usbg_close_session(struct se_session *se_sess)
 {
 }
@@ -1735,7 +1730,6 @@ static const struct target_core_fabric_ops usbg_ops = {
 	.tpg_check_prod_mode_write_protect = usbg_check_false,
 	.tpg_get_inst_index		= usbg_tpg_get_inst_index,
 	.release_cmd			= usbg_release_cmd,
-	.shutdown_session		= usbg_shutdown_session,
 	.close_session			= usbg_close_session,
 	.sess_get_index			= usbg_sess_get_index,
 	.sess_get_initiator_sid		= NULL,
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 0e6fd556c982..d2c60e5c48b3 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -333,11 +333,6 @@ static void vhost_scsi_release_cmd(struct se_cmd *se_cmd)
 	percpu_ida_free(&se_sess->sess_tag_pool, se_cmd->map_tag);
 }
 
-static int vhost_scsi_shutdown_session(struct se_session *se_sess)
-{
-	return 0;
-}
-
 static void vhost_scsi_close_session(struct se_session *se_sess)
 {
 	return;
@@ -2114,7 +2109,6 @@ static struct target_core_fabric_ops vhost_scsi_ops = {
 	.tpg_get_inst_index		= vhost_scsi_tpg_get_inst_index,
 	.release_cmd			= vhost_scsi_release_cmd,
 	.check_stop_free		= vhost_scsi_check_stop_free,
-	.shutdown_session		= vhost_scsi_shutdown_session,
 	.close_session			= vhost_scsi_close_session,
 	.sess_get_index			= vhost_scsi_sess_get_index,
 	.sess_get_initiator_sid		= NULL,
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index ff932624eaad..783947a272ab 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -1399,11 +1399,6 @@ static void scsiback_release_cmd(struct se_cmd *se_cmd)
 	percpu_ida_free(&se_sess->sess_tag_pool, se_cmd->map_tag);
 }
 
-static int scsiback_shutdown_session(struct se_session *se_sess)
-{
-	return 0;
-}
-
 static void scsiback_close_session(struct se_session *se_sess)
 {
 }
@@ -1841,7 +1836,6 @@ static const struct target_core_fabric_ops scsiback_ops = {
 	.tpg_get_inst_index		= scsiback_tpg_get_inst_index,
 	.check_stop_free		= scsiback_check_stop_free,
 	.release_cmd			= scsiback_release_cmd,
-	.shutdown_session		= scsiback_shutdown_session,
 	.close_session			= scsiback_close_session,
 	.sess_get_index			= scsiback_sess_get_index,
 	.sess_get_initiator_sid		= NULL,