scsi: iscsi: Move iscsi_ep_disconnect()

stable inclusion
from stable-v5.10.112
commit 699bd835c36e095dc80bea21d9a15cd7f7bc8b9f
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5HL0X

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=699bd835c36e095dc80bea21d9a15cd7f7bc8b9f

--------------------------------

[ Upstream commit c34f95e9 ]

This patch moves iscsi_ep_disconnect() so it can be called earlier in the
next patch.

Link: https://lore.kernel.org/r/20220408001314.5014-2-michael.christie@oracle.comTested-by: NManish Rangankar <mrangankar@marvell.com>
Reviewed-by: NLee Duncan <lduncan@suse.com>
Reviewed-by: NChris Leech <cleech@redhat.com>
Signed-off-by: NMike Christie <michael.christie@oracle.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>

drivers/scsi/scsi_transport_iscsi.c

@@ -2239,6 +2239,25 @@ static void iscsi_stop_conn(struct iscsi_cls_conn *conn, int flag)
 	ISCSI_DBG_TRANS_CONN(conn, "Stopping conn done.\n");
 }
 
+static void iscsi_ep_disconnect(struct iscsi_cls_conn *conn, bool is_active)
+{
+	struct iscsi_cls_session *session = iscsi_conn_to_session(conn);
+	struct iscsi_endpoint *ep;
+
+	ISCSI_DBG_TRANS_CONN(conn, "disconnect ep.\n");
+	conn->state = ISCSI_CONN_FAILED;
+
+	if (!conn->ep || !session->transport->ep_disconnect)
+		return;
+
+	ep = conn->ep;
+	conn->ep = NULL;
+
+	session->transport->unbind_conn(conn, is_active);
+	session->transport->ep_disconnect(ep);
+	ISCSI_DBG_TRANS_CONN(conn, "disconnect ep done.\n");
+}
+
 static int iscsi_if_stop_conn(struct iscsi_transport *transport,
 			      struct iscsi_uevent *ev)
 {
@@ -2279,25 +2298,6 @@ static int iscsi_if_stop_conn(struct iscsi_transport *transport,
 	return 0;
 }
 
-static void iscsi_ep_disconnect(struct iscsi_cls_conn *conn, bool is_active)
-{
-	struct iscsi_cls_session *session = iscsi_conn_to_session(conn);
-	struct iscsi_endpoint *ep;
-
-	ISCSI_DBG_TRANS_CONN(conn, "disconnect ep.\n");
-	conn->state = ISCSI_CONN_FAILED;
-
-	if (!conn->ep || !session->transport->ep_disconnect)
-		return;
-
-	ep = conn->ep;
-	conn->ep = NULL;
-
-	session->transport->unbind_conn(conn, is_active);
-	session->transport->ep_disconnect(ep);
-	ISCSI_DBG_TRANS_CONN(conn, "disconnect ep done.\n");
-}
-
 static void iscsi_cleanup_conn_work_fn(struct work_struct *work)
 {
 	struct iscsi_cls_conn *conn = container_of(work, struct iscsi_cls_conn,