diff options
Diffstat (limited to 'net/netrom/nr_dev.c')
| -rw-r--r-- | net/netrom/nr_dev.c | 48 |
1 files changed, 7 insertions, 41 deletions
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c index 743262becd6e..2c34389c3ce6 100644 --- a/net/netrom/nr_dev.c +++ b/net/netrom/nr_dev.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. * * Copyright Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk) */ @@ -20,8 +17,8 @@ #include <linux/in.h> #include <linux/if_ether.h> /* For the statistics structure. */ #include <linux/slab.h> +#include <linux/uaccess.h> -#include <asm/uaccess.h> #include <asm/io.h> #include <linux/inet.h> @@ -65,36 +62,6 @@ int nr_rx_ip(struct sk_buff *skb, struct net_device *dev) return 1; } -#ifdef CONFIG_INET - -static int nr_rebuild_header(struct sk_buff *skb) -{ - unsigned char *bp = skb->data; - - if (arp_find(bp + 7, skb)) - return 1; - - bp[6] &= ~AX25_CBIT; - bp[6] &= ~AX25_EBIT; - bp[6] |= AX25_SSSID_SPARE; - bp += AX25_ADDR_LEN; - - bp[6] &= ~AX25_CBIT; - bp[6] |= AX25_EBIT; - bp[6] |= AX25_SSSID_SPARE; - - return 0; -} - -#else - -static int nr_rebuild_header(struct sk_buff *skb) -{ - return 1; -} - -#endif - static int nr_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, const void *daddr, const void *saddr, unsigned int len) @@ -114,7 +81,7 @@ static int nr_header(struct sk_buff *skb, struct net_device *dev, buff[6] |= AX25_SSSID_SPARE; buff += AX25_ADDR_LEN; - *buff++ = sysctl_netrom_network_ttl_initialiser; + *buff++ = READ_ONCE(sysctl_netrom_network_ttl_initialiser); *buff++ = NR_PROTO_IP; *buff++ = NR_PROTO_IP; @@ -141,10 +108,10 @@ static int __must_check nr_set_mac_address(struct net_device *dev, void *addr) if (err) return err; - ax25_listen_release((ax25_address *)dev->dev_addr, NULL); + ax25_listen_release((const ax25_address *)dev->dev_addr, NULL); } - memcpy(dev->dev_addr, sa->sa_data, dev->addr_len); + dev_addr_set(dev, sa->sa_data); return 0; } @@ -153,7 +120,7 @@ static int nr_open(struct net_device *dev) { int err; - err = ax25_listen_register((ax25_address *)dev->dev_addr, NULL); + err = ax25_listen_register((const ax25_address *)dev->dev_addr, NULL); if (err) return err; @@ -164,7 +131,7 @@ static int nr_open(struct net_device *dev) static int nr_close(struct net_device *dev) { - ax25_listen_release((ax25_address *)dev->dev_addr, NULL); + ax25_listen_release((const ax25_address *)dev->dev_addr, NULL); netif_stop_queue(dev); return 0; } @@ -188,7 +155,6 @@ static netdev_tx_t nr_xmit(struct sk_buff *skb, struct net_device *dev) static const struct header_ops nr_header_ops = { .create = nr_header, - .rebuild= nr_rebuild_header, }; static const struct net_device_ops nr_netdev_ops = { |