scsi: libfc: Replace ->seq_els_rsp_send callback with function call

The 'seq_els_rsp_send' callback only ever had one implementation,
so we might as well drop it and use the function directly.
Signed-off-by: NHannes Reinecke <hare@suse.com>
Acked-by: NJohannes Thumshirn <jth@kernel.org>
Acked-by: NJohannes Thumshirn <jth@kernel.org>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/fcoe/fcoe_ctlr.c

@@ -3031,7 +3031,7 @@ static void fcoe_ctlr_disc_recv(struct fc_lport *lport, struct fc_frame *fp)
 
 	rjt_data.reason = ELS_RJT_UNSUP;
 	rjt_data.explan = ELS_EXPL_NONE;
-	lport->tt.seq_els_rsp_send(fp, ELS_LS_RJT, &rjt_data);
+	fc_seq_els_rsp_send(fp, ELS_LS_RJT, &rjt_data);
 	fc_frame_free(fp);
 }
 

drivers/scsi/libfc/fc_disc.c

@@ -154,7 +154,7 @@ static void fc_disc_recv_rscn_req(struct fc_disc *disc, struct fc_frame *fp)
 			break;
 		}
 	}
-	lport->tt.seq_els_rsp_send(fp, ELS_LS_ACC, NULL);
+	fc_seq_els_rsp_send(fp, ELS_LS_ACC, NULL);
 
 	/*
 	 * If not doing a complete rediscovery, do GPN_ID on
@@ -182,7 +182,7 @@ static void fc_disc_recv_rscn_req(struct fc_disc *disc, struct fc_frame *fp)
 	FC_DISC_DBG(disc, "Received a bad RSCN frame\n");
 	rjt_data.reason = ELS_RJT_LOGIC;
 	rjt_data.explan = ELS_EXPL_NONE;
-	lport->tt.seq_els_rsp_send(fp, ELS_LS_RJT, &rjt_data);
+	fc_seq_els_rsp_send(fp, ELS_LS_RJT, &rjt_data);
 	fc_frame_free(fp);
 }
 

drivers/scsi/libfc/fc_exch.c

@@ -1222,8 +1222,8 @@ static void fc_exch_set_addr(struct fc_exch *ep,
  *
  * The received frame is not freed.
  */
-static void fc_seq_els_rsp_send(struct fc_frame *fp, enum fc_els_cmd els_cmd,
-				struct fc_seq_els_data *els_data)
+void fc_seq_els_rsp_send(struct fc_frame *fp, enum fc_els_cmd els_cmd,
+			 struct fc_seq_els_data *els_data)
 {
 	switch (els_cmd) {
 	case ELS_LS_RJT:
@@ -1242,6 +1242,7 @@ static void fc_seq_els_rsp_send(struct fc_frame *fp, enum fc_els_cmd els_cmd,
 		FC_LPORT_DBG(fr_dev(fp), "Invalid ELS CMD:%x\n", els_cmd);
 	}
 }
+EXPORT_SYMBOL_GPL(fc_seq_els_rsp_send);
 
 /**
  * fc_seq_send_last() - Send a sequence that is the last in the exchange
@@ -2635,9 +2636,6 @@ int fc_exch_init(struct fc_lport *lport)
 	if (!lport->tt.seq_send)
 		lport->tt.seq_send = fc_seq_send;
 
-	if (!lport->tt.seq_els_rsp_send)
-		lport->tt.seq_els_rsp_send = fc_seq_els_rsp_send;
-
 	if (!lport->tt.exch_done)
 		lport->tt.exch_done = fc_exch_done;
 

drivers/scsi/libfc/fc_lport.c

@@ -412,7 +412,7 @@ static void fc_lport_recv_rlir_req(struct fc_lport *lport, struct fc_frame *fp)
 	FC_LPORT_DBG(lport, "Received RLIR request while in state %s\n",
 		     fc_lport_state(lport));
 
-	lport->tt.seq_els_rsp_send(fp, ELS_LS_ACC, NULL);
+	fc_seq_els_rsp_send(fp, ELS_LS_ACC, NULL);
 	fc_frame_free(fp);
 }
 
@@ -481,7 +481,7 @@ static void fc_lport_recv_rnid_req(struct fc_lport *lport,
 	if (!req) {
 		rjt_data.reason = ELS_RJT_LOGIC;
 		rjt_data.explan = ELS_EXPL_NONE;
-		lport->tt.seq_els_rsp_send(in_fp, ELS_LS_RJT, &rjt_data);
+		fc_seq_els_rsp_send(in_fp, ELS_LS_RJT, &rjt_data);
 	} else {
 		fmt = req->rnid_fmt;
 		len = sizeof(*rp);
@@ -521,7 +521,7 @@ static void fc_lport_recv_rnid_req(struct fc_lport *lport,
  */
 static void fc_lport_recv_logo_req(struct fc_lport *lport, struct fc_frame *fp)
 {
-	lport->tt.seq_els_rsp_send(fp, ELS_LS_ACC, NULL);
+	fc_seq_els_rsp_send(fp, ELS_LS_ACC, NULL);
 	fc_lport_enter_reset(lport);
 	fc_frame_free(fp);
 }

drivers/scsi/libfc/fc_rport.c

@@ -967,7 +967,7 @@ static void fc_rport_recv_flogi_req(struct fc_lport *lport,
 reject_put:
 	kref_put(&rdata->kref, lport->tt.rport_destroy);
 reject:
-	lport->tt.seq_els_rsp_send(rx_fp, ELS_LS_RJT, &rjt_data);
+	fc_seq_els_rsp_send(rx_fp, ELS_LS_RJT, &rjt_data);
 	fc_frame_free(rx_fp);
 }
 
@@ -1416,7 +1416,7 @@ static void fc_rport_recv_rtv_req(struct fc_rport_priv *rdata,
 	if (!fp) {
 		rjt_data.reason = ELS_RJT_UNAB;
 		rjt_data.reason = ELS_EXPL_INSUF_RES;
-		lport->tt.seq_els_rsp_send(in_fp, ELS_LS_RJT, &rjt_data);
+		fc_seq_els_rsp_send(in_fp, ELS_LS_RJT, &rjt_data);
 		goto drop;
 	}
 	rtv = fc_frame_payload_get(fp, sizeof(*rtv));
@@ -1591,7 +1591,7 @@ static void fc_rport_recv_adisc_req(struct fc_rport_priv *rdata,
 	if (!adisc) {
 		rjt_data.reason = ELS_RJT_PROT;
 		rjt_data.explan = ELS_EXPL_INV_LEN;
-		lport->tt.seq_els_rsp_send(in_fp, ELS_LS_RJT, &rjt_data);
+		fc_seq_els_rsp_send(in_fp, ELS_LS_RJT, &rjt_data);
 		goto drop;
 	}
 
@@ -1667,7 +1667,7 @@ static void fc_rport_recv_rls_req(struct fc_rport_priv *rdata,
 	goto out;
 
 out_rjt:
-	lport->tt.seq_els_rsp_send(rx_fp, ELS_LS_RJT, &rjt_data);
+	fc_seq_els_rsp_send(rx_fp, ELS_LS_RJT, &rjt_data);
 out:
 	fc_frame_free(rx_fp);
 }
@@ -1734,11 +1734,11 @@ static void fc_rport_recv_els_req(struct fc_lport *lport, struct fc_frame *fp)
 		fc_rport_recv_adisc_req(rdata, fp);
 		break;
 	case ELS_RRQ:
-		lport->tt.seq_els_rsp_send(fp, ELS_RRQ, NULL);
+		fc_seq_els_rsp_send(fp, ELS_RRQ, NULL);
 		fc_frame_free(fp);
 		break;
 	case ELS_REC:
-		lport->tt.seq_els_rsp_send(fp, ELS_REC, NULL);
+		fc_seq_els_rsp_send(fp, ELS_REC, NULL);
 		fc_frame_free(fp);
 		break;
 	case ELS_RLS:
@@ -1759,14 +1759,14 @@ static void fc_rport_recv_els_req(struct fc_lport *lport, struct fc_frame *fp)
 reject:
 	els_data.reason = ELS_RJT_UNAB;
 	els_data.explan = ELS_EXPL_PLOGI_REQD;
-	lport->tt.seq_els_rsp_send(fp, ELS_LS_RJT, &els_data);
+	fc_seq_els_rsp_send(fp, ELS_LS_RJT, &els_data);
 	fc_frame_free(fp);
 	return;
 
 busy:
 	els_data.reason = ELS_RJT_BUSY;
 	els_data.explan = ELS_EXPL_NONE;
-	lport->tt.seq_els_rsp_send(fp, ELS_LS_RJT, &els_data);
+	fc_seq_els_rsp_send(fp, ELS_LS_RJT, &els_data);
 	fc_frame_free(fp);
 	return;
 }
@@ -1812,7 +1812,7 @@ static void fc_rport_recv_req(struct fc_lport *lport, struct fc_frame *fp)
 	default:
 		els_data.reason = ELS_RJT_UNSUP;
 		els_data.explan = ELS_EXPL_NONE;
-		lport->tt.seq_els_rsp_send(fp, ELS_LS_RJT, &els_data);
+		fc_seq_els_rsp_send(fp, ELS_LS_RJT, &els_data);
 		fc_frame_free(fp);
 		break;
 	}
@@ -1939,7 +1939,7 @@ static void fc_rport_recv_plogi_req(struct fc_lport *lport,
 	return;
 
 reject:
-	lport->tt.seq_els_rsp_send(fp, ELS_LS_RJT, &rjt_data);
+	fc_seq_els_rsp_send(fp, ELS_LS_RJT, &rjt_data);
 	fc_frame_free(fp);
 }
 
@@ -2055,7 +2055,7 @@ static void fc_rport_recv_prli_req(struct fc_rport_priv *rdata,
 	rjt_data.reason = ELS_RJT_PROT;
 	rjt_data.explan = ELS_EXPL_INV_LEN;
 reject:
-	lport->tt.seq_els_rsp_send(rx_fp, ELS_LS_RJT, &rjt_data);
+	fc_seq_els_rsp_send(rx_fp, ELS_LS_RJT, &rjt_data);
 drop:
 	fc_frame_free(rx_fp);
 }
@@ -2126,7 +2126,7 @@ static void fc_rport_recv_prlo_req(struct fc_rport_priv *rdata,
 	rjt_data.reason = ELS_RJT_PROT;
 	rjt_data.explan = ELS_EXPL_INV_LEN;
 reject:
-	lport->tt.seq_els_rsp_send(rx_fp, ELS_LS_RJT, &rjt_data);
+	fc_seq_els_rsp_send(rx_fp, ELS_LS_RJT, &rjt_data);
 drop:
 	fc_frame_free(rx_fp);
 }
@@ -2146,7 +2146,7 @@ static void fc_rport_recv_logo_req(struct fc_lport *lport, struct fc_frame *fp)
 	struct fc_rport_priv *rdata;
 	u32 sid;
 
-	lport->tt.seq_els_rsp_send(fp, ELS_LS_ACC, NULL);
+	fc_seq_els_rsp_send(fp, ELS_LS_ACC, NULL);
 
 	sid = fc_frame_sid(fp);
 

include/scsi/libfc.h

@@ -552,14 +552,6 @@ struct libfc_function_template {
 	int (*seq_send)(struct fc_lport *, struct fc_seq *,
 			struct fc_frame *);
 
-	/*
-	 * Send an ELS response using information from the received frame.
-	 *
-	 * STATUS: OPTIONAL
-	 */
-	void (*seq_els_rsp_send)(struct fc_frame *, enum fc_els_cmd,
-				 struct fc_seq_els_data *);
-
 	/*
 	 * Abort an exchange and sequence. Generally called because of a
 	 * exchange timeout or an abort from the upper layer.
@@ -1138,6 +1130,8 @@ void fc_fill_hdr(struct fc_frame *, const struct fc_frame *,
  *****************************/
 int fc_exch_init(struct fc_lport *);
 void fc_exch_update_stats(struct fc_lport *lport);
+void fc_seq_els_rsp_send(struct fc_frame *, enum fc_els_cmd,
+			 struct fc_seq_els_data *);
 struct fc_exch_mgr_anchor *fc_exch_mgr_add(struct fc_lport *,
 					   struct fc_exch_mgr *,
 					   bool (*match)(struct fc_frame *));