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path: root/drivers/scsi/fcoe/fcoe_transport.c
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Diffstat (limited to 'drivers/scsi/fcoe/fcoe_transport.c')
-rw-r--r--drivers/scsi/fcoe/fcoe_transport.c42
1 files changed, 15 insertions, 27 deletions
diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index f4909cd206d3..2f478426f16e 100644
--- a/drivers/scsi/fcoe/fcoe_transport.c
+++ b/drivers/scsi/fcoe/fcoe_transport.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Maintained at www.Open-FCoE.org
*/
@@ -22,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/netdevice.h>
+#include <linux/ethtool.h>
#include <linux/errno.h>
#include <linux/crc32.h>
#include <scsi/libfcoe.h>
@@ -194,9 +183,9 @@ void __fcoe_get_lesb(struct fc_lport *lport,
memset(lesb, 0, sizeof(*lesb));
for_each_possible_cpu(cpu) {
stats = per_cpu_ptr(lport->stats, cpu);
- lfc += stats->LinkFailureCount;
- vlfc += stats->VLinkFailureCount;
- mdac += stats->MissDiscAdvCount;
+ lfc += READ_ONCE(stats->LinkFailureCount);
+ vlfc += READ_ONCE(stats->VLinkFailureCount);
+ mdac += READ_ONCE(stats->MissDiscAdvCount);
}
lesb->lesb_link_fail = htonl(lfc);
lesb->lesb_vlink_fail = htonl(vlfc);
@@ -320,7 +309,7 @@ EXPORT_SYMBOL_GPL(fcoe_get_wwn);
u32 fcoe_fc_crc(struct fc_frame *fp)
{
struct sk_buff *skb = fp_skb(fp);
- struct skb_frag_struct *frag;
+ skb_frag_t *frag;
unsigned char *data;
unsigned long off, len, clen;
u32 crc;
@@ -330,7 +319,7 @@ u32 fcoe_fc_crc(struct fc_frame *fp)
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
frag = &skb_shinfo(skb)->frags[i];
- off = frag->page_offset;
+ off = skb_frag_off(frag);
len = skb_frag_size(frag);
while (len > 0) {
clen = min(len, PAGE_SIZE - (off & ~PAGE_MASK));
@@ -394,6 +383,7 @@ EXPORT_SYMBOL_GPL(fcoe_clean_pending_queue);
/**
* fcoe_check_wait_queue() - Attempt to clear the transmit backlog
* @lport: The local port whose backlog is to be cleared
+ * @skb: The received FIP packet
*
* This empties the wait_queue, dequeues the head of the wait_queue queue
* and calls fcoe_start_io() for each packet. If all skb have been
@@ -451,13 +441,13 @@ EXPORT_SYMBOL_GPL(fcoe_check_wait_queue);
/**
* fcoe_queue_timer() - The fcoe queue timer
- * @lport: The local port
+ * @t: Timer context use to obtain the FCoE port
*
* Calls fcoe_check_wait_queue on timeout
*/
void fcoe_queue_timer(struct timer_list *t)
{
- struct fcoe_port *port = from_timer(port, t, timer);
+ struct fcoe_port *port = timer_container_of(port, t, timer);
fcoe_check_wait_queue(port->lport, NULL);
}
@@ -684,6 +674,7 @@ static void fcoe_del_netdev_mapping(struct net_device *netdev)
/**
* fcoe_netdev_map_lookup - find the fcoe transport that matches the netdev on which
* it was created
+ * @netdev: The net device that the FCoE interface is on
*
* Returns : ptr to the fcoe transport that supports this netdev or NULL
* if not found.
@@ -720,7 +711,7 @@ static struct net_device *fcoe_if_to_netdev(const char *buffer)
char ifname[IFNAMSIZ + 2];
if (buffer) {
- strlcpy(ifname, buffer, IFNAMSIZ);
+ strscpy(ifname, buffer, IFNAMSIZ);
cp = ifname + strlen(ifname);
while (--cp >= ifname && *cp == '\n')
*cp = '\0';
@@ -754,8 +745,7 @@ static int libfcoe_device_notification(struct notifier_block *notifier,
return NOTIFY_OK;
}
-ssize_t fcoe_ctlr_create_store(struct bus_type *bus,
- const char *buf, size_t count)
+ssize_t fcoe_ctlr_create_store(const char *buf, size_t count)
{
struct net_device *netdev = NULL;
struct fcoe_transport *ft = NULL;
@@ -817,8 +807,7 @@ out_nodev:
return count;
}
-ssize_t fcoe_ctlr_destroy_store(struct bus_type *bus,
- const char *buf, size_t count)
+ssize_t fcoe_ctlr_destroy_store(const char *buf, size_t count)
{
int rc = -ENODEV;
struct net_device *netdev = NULL;
@@ -855,7 +844,6 @@ out_nodev:
mutex_unlock(&ft_mutex);
return rc;
}
-EXPORT_SYMBOL(fcoe_ctlr_destroy_store);
/**
* fcoe_transport_create() - Create a fcoe interface
@@ -873,7 +861,7 @@ static int fcoe_transport_create(const char *buffer,
int rc = -ENODEV;
struct net_device *netdev = NULL;
struct fcoe_transport *ft = NULL;
- enum fip_state fip_mode = (enum fip_state)(long)kp->arg;
+ enum fip_mode fip_mode = (enum fip_mode)(uintptr_t)kp->arg;
mutex_lock(&ft_mutex);