scsi: iscsi: Drop suspend calls from ep_disconnect

libiscsi will now suspend the send/tx queue for the drivers so we can drop
it from the drivers ep_disconnect.

Link: https://lore.kernel.org/r/20210525181821.7617-4-michael.christie@oracle.comReviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/be2iscsi/be_iscsi.c

@@ -1293,7 +1293,6 @@ static int beiscsi_conn_close(struct beiscsi_endpoint *beiscsi_ep)
 void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
 {
 	struct beiscsi_endpoint *beiscsi_ep;
-	struct beiscsi_conn *beiscsi_conn;
 	struct beiscsi_hba *phba;
 	uint16_t cri_index;
 
@@ -1312,11 +1311,6 @@ void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
 		return;
 	}
 
-	if (beiscsi_ep->conn) {
-		beiscsi_conn = beiscsi_ep->conn;
-		iscsi_suspend_queue(beiscsi_conn->conn);
-	}
-
 	if (!beiscsi_hba_is_online(phba)) {
 		beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
 			    "BS_%d : HBA in error 0x%lx\n", phba->state);

drivers/scsi/bnx2i/bnx2i_iscsi.c

@@ -2113,7 +2113,6 @@ static void bnx2i_ep_disconnect(struct iscsi_endpoint *ep)
 {
 	struct bnx2i_endpoint *bnx2i_ep;
 	struct bnx2i_conn *bnx2i_conn = NULL;
-	struct iscsi_conn *conn = NULL;
 	struct bnx2i_hba *hba;
 
 	bnx2i_ep = ep->dd_data;
@@ -2126,11 +2125,8 @@ static void bnx2i_ep_disconnect(struct iscsi_endpoint *ep)
 		!time_after(jiffies, bnx2i_ep->timestamp + (12 * HZ)))
 		msleep(250);
 
-	if (bnx2i_ep->conn) {
+	if (bnx2i_ep->conn)
 		bnx2i_conn = bnx2i_ep->conn;
-		conn = bnx2i_conn->cls_conn->dd_data;
-		iscsi_suspend_queue(conn);
-	}
 	hba = bnx2i_ep->hba;
 
 	mutex_lock(&hba->net_dev_lock);

drivers/scsi/cxgbi/libcxgbi.c

@@ -2968,7 +2968,6 @@ void cxgbi_ep_disconnect(struct iscsi_endpoint *ep)
 		ep, cep, cconn, csk, csk->state, csk->flags);
 
 	if (cconn && cconn->iconn) {
-		iscsi_suspend_tx(cconn->iconn);
 		write_lock_bh(&csk->callback_lock);
 		cep->csk->user_data = NULL;
 		cconn->cep = NULL;

drivers/scsi/qedi/qedi_iscsi.c

@@ -988,7 +988,6 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep)
 {
 	struct qedi_endpoint *qedi_ep;
 	struct qedi_conn *qedi_conn = NULL;
-	struct iscsi_conn *conn = NULL;
 	struct qedi_ctx *qedi;
 	int ret = 0;
 	int wait_delay;
@@ -1007,8 +1006,6 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep)
 
 	if (qedi_ep->conn) {
 		qedi_conn = qedi_ep->conn;
-		conn = qedi_conn->cls_conn->dd_data;
-		iscsi_suspend_queue(conn);
 		abrt_conn = qedi_conn->abrt_conn;
 
 		while (count--)	{
@@ -1621,8 +1618,11 @@ void qedi_clear_session_ctx(struct iscsi_cls_session *cls_sess)
 	struct iscsi_conn *conn = session->leadconn;
 	struct qedi_conn *qedi_conn = conn->dd_data;
 
-	if (iscsi_is_session_online(cls_sess))
+	if (iscsi_is_session_online(cls_sess)) {
+		if (conn)
+			iscsi_suspend_queue(conn);
 		qedi_ep_disconnect(qedi_conn->iscsi_ep);
+	}
 
 	qedi_conn_destroy(qedi_conn->cls_conn);