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2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/drivers/scsi/libfc/fc_fcp.c
....@@ -1,20 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * Copyright(c) 2007 Intel Corporation. All rights reserved.
34  * Copyright(c) 2008 Red Hat, Inc.  All rights reserved.
45  * Copyright(c) 2008 Mike Christie
5
- *
6
- * This program is free software; you can redistribute it and/or modify it
7
- * under the terms and conditions of the GNU General Public License,
8
- * version 2, as published by the Free Software Foundation.
9
- *
10
- * This program is distributed in the hope it will be useful, but WITHOUT
11
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13
- * more details.
14
- *
15
- * You should have received a copy of the GNU General Public License along with
16
- * this program; if not, write to the Free Software Foundation, Inc.,
17
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
186  *
197  * Maintained at www.Open-FCoE.org
208  */
....@@ -301,6 +289,7 @@
301289 /**
302290  * fc_fcp_retry_cmd() - Retry a fcp_pkt
303291  * @fsp: The FCP packet to be retried
292
+ * @status_code: The FCP status code to set
304293  *
305294  * Sets the status code to be FC_ERROR and then calls
306295  * fc_fcp_complete_locked() which in turn calls fc_io_compl().
....@@ -592,7 +581,7 @@
592581 /**
593582  * fc_fcp_send_data() - Send SCSI data to a target
594583  * @fsp:      The FCP packet the data is on
595
- * @sp:	      The sequence the data is to be sent on
584
+ * @seq:      The sequence the data is to be sent on
596585  * @offset:   The starting offset for this data request
597586  * @seq_blen: The burst length for this data request
598587  *
....@@ -763,7 +752,7 @@
763752 		brp = fc_frame_payload_get(fp, sizeof(*brp));
764753 		if (brp && brp->br_reason == FC_BA_RJT_LOG_ERR)
765754 			break;
766
-		/* fall thru */
755
+		fallthrough;
767756 	default:
768757 		/*
769758 		 * we will let the command timeout
....@@ -1295,7 +1284,7 @@
12951284 
12961285 /**
12971286  * fc_lun_reset_send() - Send LUN reset command
1298
- * @data: The FCP packet that identifies the LUN to be reset
1287
+ * @t: Timer context used to fetch the FSP packet
12991288  */
13001289 static void fc_lun_reset_send(struct timer_list *t)
13011290 {
....@@ -1421,7 +1410,7 @@
14211410 
14221411 /**
14231412  * fc_fcp_timeout() - Handler for fcp_pkt timeouts
1424
- * @data: The FCP packet that has timed out
1413
+ * @t: Timer context used to fetch the FSP packet
14251414  *
14261415  * If REC is supported then just issue it and return. The REC exchange will
14271416  * complete or time out and recovery can continue at that point. Otherwise,
....@@ -1547,7 +1536,7 @@
15471536 				   "device %x invalid REC reject %d/%d\n",
15481537 				   fsp->rport->port_id, rjt->er_reason,
15491538 				   rjt->er_explan);
1550
-			/* fall through */
1539
+			fallthrough;
15511540 		case ELS_RJT_UNSUP:
15521541 			FC_FCP_DBG(fsp, "device does not support REC\n");
15531542 			rpriv = fsp->rport->dd_data;
....@@ -1679,7 +1668,7 @@
16791668 		FC_FCP_DBG(fsp, "REC %p fid %6.6x error unexpected error %d\n",
16801669 			   fsp, fsp->rport->port_id, error);
16811670 		fsp->status_code = FC_CMD_PLOGO;
1682
-		/* fall through */
1671
+		fallthrough;
16831672 
16841673 	case -FC_EX_TIMEOUT:
16851674 		/*
....@@ -1703,6 +1692,7 @@
17031692 /**
17041693  * fc_fcp_recovery() - Handler for fcp_pkt recovery
17051694  * @fsp: The FCP pkt that needs to be aborted
1695
+ * @code: The FCP status code to set
17061696  */
17071697 static void fc_fcp_recovery(struct fc_fcp_pkt *fsp, u8 code)
17081698 {
....@@ -1721,6 +1711,7 @@
17211711  * fc_fcp_srr() - Send a SRR request (Sequence Retransmission Request)
17221712  * @fsp:   The FCP packet the SRR is to be sent on
17231713  * @r_ctl: The R_CTL field for the SRR request
1714
+ * @offset: The SRR relative offset
17241715  * This is called after receiving status but insufficient data, or
17251716  * when expecting status but the request has timed out.
17261717  */
....@@ -1839,7 +1830,7 @@
18391830 		break;
18401831 	case -FC_EX_CLOSED:			/* e.g., link failure */
18411832 		FC_FCP_DBG(fsp, "SRR error, exchange closed\n");
1842
-		/* fall through */
1833
+		fallthrough;
18431834 	default:
18441835 		fc_fcp_retry_cmd(fsp, FC_ERROR);
18451836 		break;
....@@ -1863,7 +1854,7 @@
18631854 /**
18641855  * fc_queuecommand() - The queuecommand function of the SCSI template
18651856  * @shost: The Scsi_Host that the command was issued to
1866
- * @cmd:   The scsi_cmnd to be executed
1857
+ * @sc_cmd:   The scsi_cmnd to be executed
18671858  *
18681859  * This is the i/o strategy routine, called by the SCSI layer.
18691860  */
....@@ -1872,7 +1863,6 @@
18721863 	struct fc_lport *lport = shost_priv(shost);
18731864 	struct fc_rport *rport = starget_to_rport(scsi_target(sc_cmd->device));
18741865 	struct fc_fcp_pkt *fsp;
1875
-	struct fc_rport_libfc_priv *rpriv;
18761866 	int rval;
18771867 	int rc = 0;
18781868 	struct fc_stats *stats;
....@@ -1893,8 +1883,6 @@
18931883 		sc_cmd->scsi_done(sc_cmd);
18941884 		goto out;
18951885 	}
1896
-
1897
-	rpriv = rport->dd_data;
18981886 
18991887 	if (!fc_fcp_lport_queue_ready(lport)) {
19001888 		if (lport->qfull) {
....@@ -2295,8 +2283,7 @@
22952283 
22962284 void fc_destroy_fcp(void)
22972285 {
2298
-	if (scsi_pkt_cachep)
2299
-		kmem_cache_destroy(scsi_pkt_cachep);
2286
+	kmem_cache_destroy(scsi_pkt_cachep);
23002287 }
23012288 
23022289 /**