diff options
Diffstat (limited to 'net/netrom')
| -rw-r--r-- | net/netrom/af_netrom.c | 107 | ||||
| -rw-r--r-- | net/netrom/nr_dev.c | 4 | ||||
| -rw-r--r-- | net/netrom/nr_in.c | 2 | ||||
| -rw-r--r-- | net/netrom/nr_loopback.c | 1 | ||||
| -rw-r--r-- | net/netrom/nr_out.c | 2 | ||||
| -rw-r--r-- | net/netrom/nr_route.c | 130 | ||||
| -rw-r--r-- | net/netrom/nr_subr.c | 2 | ||||
| -rw-r--r-- | net/netrom/nr_timer.c | 1 | ||||
| -rw-r--r-- | net/netrom/sysctl_net_netrom.c | 12 |
9 files changed, 102 insertions, 159 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 71604c6613b..ede50d197e1 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -15,6 +15,7 @@ #include <linux/types.h> #include <linux/socket.h> #include <linux/in.h> +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/timer.h> @@ -30,7 +31,6 @@ #include <net/net_namespace.h> #include <net/sock.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <linux/fcntl.h> #include <linux/termios.h> /* For TIOCINQ/OUTQ */ #include <linux/mm.h> @@ -104,10 +104,9 @@ static void nr_remove_socket(struct sock *sk) static void nr_kill_by_device(struct net_device *dev) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&nr_list_lock); - sk_for_each(s, node, &nr_list) + sk_for_each(s, &nr_list) if (nr_sk(s)->device == dev) nr_disconnect(s, ENETUNREACH); spin_unlock_bh(&nr_list_lock); @@ -118,7 +117,7 @@ static void nr_kill_by_device(struct net_device *dev) */ static int nr_device_event(struct notifier_block *this, unsigned long event, void *ptr) { - struct net_device *dev = (struct net_device *)ptr; + struct net_device *dev = netdev_notifier_info_to_dev(ptr); if (!net_eq(dev_net(dev), &init_net)) return NOTIFY_DONE; @@ -149,10 +148,9 @@ static void nr_insert_socket(struct sock *sk) static struct sock *nr_find_listener(ax25_address *addr) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&nr_list_lock); - sk_for_each(s, node, &nr_list) + sk_for_each(s, &nr_list) if (!ax25cmp(&nr_sk(s)->source_addr, addr) && s->sk_state == TCP_LISTEN) { bh_lock_sock(s); @@ -170,10 +168,9 @@ found: static struct sock *nr_find_socket(unsigned char index, unsigned char id) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&nr_list_lock); - sk_for_each(s, node, &nr_list) { + sk_for_each(s, &nr_list) { struct nr_sock *nr = nr_sk(s); if (nr->my_index == index && nr->my_id == id) { @@ -194,10 +191,9 @@ static struct sock *nr_find_peer(unsigned char index, unsigned char id, ax25_address *dest) { struct sock *s; - struct hlist_node *node; spin_lock_bh(&nr_list_lock); - sk_for_each(s, node, &nr_list) { + sk_for_each(s, &nr_list) { struct nr_sock *nr = nr_sk(s); if (nr->your_index == index && nr->your_id == id && @@ -305,26 +301,26 @@ static int nr_setsockopt(struct socket *sock, int level, int optname, { struct sock *sk = sock->sk; struct nr_sock *nr = nr_sk(sk); - int opt; + unsigned long opt; if (level != SOL_NETROM) return -ENOPROTOOPT; - if (optlen < sizeof(int)) + if (optlen < sizeof(unsigned int)) return -EINVAL; - if (get_user(opt, (int __user *)optval)) + if (get_user(opt, (unsigned int __user *)optval)) return -EFAULT; switch (optname) { case NETROM_T1: - if (opt < 1) + if (opt < 1 || opt > ULONG_MAX / HZ) return -EINVAL; nr->t1 = opt * HZ; return 0; case NETROM_T2: - if (opt < 1) + if (opt < 1 || opt > ULONG_MAX / HZ) return -EINVAL; nr->t2 = opt * HZ; return 0; @@ -336,13 +332,13 @@ static int nr_setsockopt(struct socket *sock, int level, int optname, return 0; case NETROM_T4: - if (opt < 1) + if (opt < 1 || opt > ULONG_MAX / HZ) return -EINVAL; nr->t4 = opt * HZ; return 0; case NETROM_IDLE: - if (opt < 0) + if (opt > ULONG_MAX / (60 * HZ)) return -EINVAL; nr->idle = opt * 60 * HZ; return 0; @@ -590,7 +586,6 @@ static int nr_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) return -EINVAL; } if ((dev = nr_dev_get(&addr->fsa_ax25.sax25_call)) == NULL) { - SOCK_DEBUG(sk, "NET/ROM: bind failed: invalid node callsign\n"); release_sock(sk); return -EADDRNOTAVAIL; } @@ -602,7 +597,7 @@ static int nr_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) if (!capable(CAP_NET_BIND_SERVICE)) { dev_put(dev); release_sock(sk); - return -EACCES; + return -EPERM; } nr->user_addr = addr->fsa_digipeater[0]; nr->source_addr = addr->fsa_ax25.sax25_call; @@ -631,7 +626,7 @@ static int nr_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) sock_reset_flag(sk, SOCK_ZAPPED); dev_put(dev); release_sock(sk); - SOCK_DEBUG(sk, "NET/ROM: socket is bound\n"); + return 0; } @@ -738,7 +733,7 @@ static int nr_connect(struct socket *sock, struct sockaddr *uaddr, DEFINE_WAIT(wait); for (;;) { - prepare_to_wait(sk->sk_sleep, &wait, + prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); if (sk->sk_state != TCP_SYN_SENT) break; @@ -751,7 +746,7 @@ static int nr_connect(struct socket *sock, struct sockaddr *uaddr, err = -ERESTARTSYS; break; } - finish_wait(sk->sk_sleep, &wait); + finish_wait(sk_sleep(sk), &wait); if (err) goto out_release; } @@ -797,7 +792,7 @@ static int nr_accept(struct socket *sock, struct socket *newsock, int flags) * hooked into the SABM we saved */ for (;;) { - prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); + prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); skb = skb_dequeue(&sk->sk_receive_queue); if (skb) break; @@ -815,7 +810,7 @@ static int nr_accept(struct socket *sock, struct socket *newsock, int flags) err = -ERESTARTSYS; break; } - finish_wait(sk->sk_sleep, &wait); + finish_wait(sk_sleep(sk), &wait); if (err) goto out_release; @@ -839,6 +834,8 @@ static int nr_getname(struct socket *sock, struct sockaddr *uaddr, struct sock *sk = sock->sk; struct nr_sock *nr = nr_sk(sk); + memset(&sax->fsa_ax25, 0, sizeof(struct sockaddr_ax25)); + lock_sock(sk); if (peer != 0) { if (sk->sk_state != TCP_ESTABLISHED) { @@ -1014,7 +1011,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev) skb_queue_head(&sk->sk_receive_queue, skb); if (!sock_flag(sk, SOCK_DEAD)) - sk->sk_data_ready(sk, skb->len); + sk->sk_data_ready(sk); bh_unlock_sock(sk); @@ -1031,7 +1028,7 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock, { struct sock *sk = sock->sk; struct nr_sock *nr = nr_sk(sk); - struct sockaddr_ax25 *usax = (struct sockaddr_ax25 *)msg->msg_name; + DECLARE_SOCKADDR(struct sockaddr_ax25 *, usax, msg->msg_name); int err; struct sockaddr_ax25 sax; struct sk_buff *skb; @@ -1081,8 +1078,6 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock, sax.sax25_call = nr->dest_addr; } - SOCK_DEBUG(sk, "NET/ROM: sendto: Addresses built.\n"); - /* Build a packet - the conventional user limit is 236 bytes. We can do ludicrously large NetROM frames but must not overflow */ if (len > 65536) { @@ -1090,7 +1085,6 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock, goto out; } - SOCK_DEBUG(sk, "NET/ROM: sendto: building packet.\n"); size = len + NR_NETWORK_LEN + NR_TRANSPORT_LEN; if ((skb = sock_alloc_send_skb(sk, size, msg->msg_flags & MSG_DONTWAIT, &err)) == NULL) @@ -1104,7 +1098,6 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock, */ asmptr = skb_push(skb, NR_TRANSPORT_LEN); - SOCK_DEBUG(sk, "Building NET/ROM Header.\n"); /* Build a NET/ROM Transport header */ @@ -1113,15 +1106,12 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock, *asmptr++ = 0; /* To be filled in later */ *asmptr++ = 0; /* Ditto */ *asmptr++ = NR_INFO; - SOCK_DEBUG(sk, "Built header.\n"); /* * Put the data on the end */ skb_put(skb, len); - SOCK_DEBUG(sk, "NET/ROM: Appending user data\n"); - /* User data follows immediately after the NET/ROM transport header */ if (memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len)) { kfree_skb(skb); @@ -1129,8 +1119,6 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock, goto out; } - SOCK_DEBUG(sk, "NET/ROM: Transmitting buffer\n"); - if (sk->sk_state != TCP_ESTABLISHED) { kfree_skb(skb); err = -ENOTCONN; @@ -1149,7 +1137,7 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t size, int flags) { struct sock *sk = sock->sk; - struct sockaddr_ax25 *sax = (struct sockaddr_ax25 *)msg->msg_name; + DECLARE_SOCKADDR(struct sockaddr_ax25 *, sax, msg->msg_name); size_t copied; struct sk_buff *skb; int er; @@ -1179,16 +1167,21 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock, msg->msg_flags |= MSG_TRUNC; } - skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied); + er = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied); + if (er < 0) { + skb_free_datagram(sk, skb); + release_sock(sk); + return er; + } if (sax != NULL) { + memset(sax, 0, sizeof(*sax)); sax->sax25_family = AF_NETROM; skb_copy_from_linear_data_offset(skb, 7, sax->sax25_call.ax25_call, AX25_ADDR_LEN); + msg->msg_namelen = sizeof(*sax); } - msg->msg_namelen = sizeof(*sax); - skb_free_datagram(sk, skb); release_sock(sk); @@ -1253,7 +1246,8 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) case SIOCADDRT: case SIOCDELRT: case SIOCNRDECOBS: - if (!capable(CAP_NET_ADMIN)) return -EPERM; + if (!capable(CAP_NET_ADMIN)) + return -EPERM; return nr_rt_ioctl(cmd, argp); default: @@ -1267,28 +1261,13 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) static void *nr_info_start(struct seq_file *seq, loff_t *pos) { - struct sock *s; - struct hlist_node *node; - int i = 1; - spin_lock_bh(&nr_list_lock); - if (*pos == 0) - return SEQ_START_TOKEN; - - sk_for_each(s, node, &nr_list) { - if (i == *pos) - return s; - ++i; - } - return NULL; + return seq_hlist_start_head(&nr_list, *pos); } static void *nr_info_next(struct seq_file *seq, void *v, loff_t *pos) { - ++*pos; - - return (v == SEQ_START_TOKEN) ? sk_head(&nr_list) - : sk_next((struct sock *)v); + return seq_hlist_next(v, &nr_list, pos); } static void nr_info_stop(struct seq_file *seq, void *v) @@ -1298,7 +1277,7 @@ static void nr_info_stop(struct seq_file *seq, void *v) static int nr_info_show(struct seq_file *seq, void *v) { - struct sock *s = v; + struct sock *s = sk_entry(v); struct net_device *dev; struct nr_sock *nr; const char *devname; @@ -1471,9 +1450,9 @@ static int __init nr_proto_init(void) nr_loopback_init(); - proc_net_fops_create(&init_net, "nr", S_IRUGO, &nr_info_fops); - proc_net_fops_create(&init_net, "nr_neigh", S_IRUGO, &nr_neigh_fops); - proc_net_fops_create(&init_net, "nr_nodes", S_IRUGO, &nr_nodes_fops); + proc_create("nr", S_IRUGO, init_net.proc_net, &nr_info_fops); + proc_create("nr_neigh", S_IRUGO, init_net.proc_net, &nr_neigh_fops); + proc_create("nr_nodes", S_IRUGO, init_net.proc_net, &nr_nodes_fops); out: return rc; fail: @@ -1501,9 +1480,9 @@ static void __exit nr_exit(void) { int i; - proc_net_remove(&init_net, "nr"); - proc_net_remove(&init_net, "nr_neigh"); - proc_net_remove(&init_net, "nr_nodes"); + remove_proc_entry("nr", init_net.proc_net); + remove_proc_entry("nr_neigh", init_net.proc_net); + remove_proc_entry("nr_nodes", init_net.proc_net); nr_loopback_clear(); nr_rt_free(); diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c index 7aa11b01b2e..743262becd6 100644 --- a/net/netrom/nr_dev.c +++ b/net/netrom/nr_dev.c @@ -19,8 +19,8 @@ #include <linux/fcntl.h> #include <linux/in.h> #include <linux/if_ether.h> /* For the statistics structure. */ +#include <linux/slab.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -97,7 +97,7 @@ static int nr_rebuild_header(struct sk_buff *skb) static int nr_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, - const void *daddr, const void *saddr, unsigned len) + const void *daddr, const void *saddr, unsigned int len) { unsigned char *buff = skb_push(skb, NR_NETWORK_LEN + NR_TRANSPORT_LEN); diff --git a/net/netrom/nr_in.c b/net/netrom/nr_in.c index 68176483617..c3073a2ef63 100644 --- a/net/netrom/nr_in.c +++ b/net/netrom/nr_in.c @@ -16,6 +16,7 @@ #include <linux/string.h> #include <linux/sockios.h> #include <linux/net.h> +#include <linux/slab.h> #include <net/ax25.h> #include <linux/inet.h> #include <linux/netdevice.h> @@ -23,7 +24,6 @@ #include <net/sock.h> #include <net/tcp_states.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <linux/fcntl.h> #include <linux/mm.h> #include <linux/interrupt.h> diff --git a/net/netrom/nr_loopback.c b/net/netrom/nr_loopback.c index f324d5df418..94d4e922af5 100644 --- a/net/netrom/nr_loopback.c +++ b/net/netrom/nr_loopback.c @@ -7,6 +7,7 @@ * Copyright Tomi Manninen OH2BNS (oh2bns@sral.fi) */ #include <linux/types.h> +#include <linux/slab.h> #include <linux/socket.h> #include <linux/timer.h> #include <net/ax25.h> diff --git a/net/netrom/nr_out.c b/net/netrom/nr_out.c index e3e6c44e189..0b4bcb2bf38 100644 --- a/net/netrom/nr_out.c +++ b/net/netrom/nr_out.c @@ -16,13 +16,13 @@ #include <linux/string.h> #include <linux/sockios.h> #include <linux/net.h> +#include <linux/slab.h> #include <net/ax25.h> #include <linux/inet.h> #include <linux/netdevice.h> #include <linux/skbuff.h> #include <net/sock.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <linux/fcntl.h> #include <linux/mm.h> #include <linux/interrupt.h> diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c index aacba76070f..b976d5eff2d 100644 --- a/net/netrom/nr_route.c +++ b/net/netrom/nr_route.c @@ -17,6 +17,7 @@ #include <linux/string.h> #include <linux/sockios.h> #include <linux/net.h> +#include <linux/slab.h> #include <net/ax25.h> #include <linux/inet.h> #include <linux/netdevice.h> @@ -25,7 +26,6 @@ #include <linux/skbuff.h> #include <net/sock.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <linux/fcntl.h> #include <linux/termios.h> /* For TIOCINQ/OUTQ */ #include <linux/mm.h> @@ -36,6 +36,7 @@ #include <linux/spinlock.h> #include <net/netrom.h> #include <linux/seq_file.h> +#include <linux/export.h> static unsigned int nr_neigh_no = 1; @@ -48,10 +49,9 @@ static struct nr_node *nr_node_get(ax25_address *callsign) { struct nr_node *found = NULL; struct nr_node *nr_node; - struct hlist_node *node; spin_lock_bh(&nr_node_list_lock); - nr_node_for_each(nr_node, node, &nr_node_list) + nr_node_for_each(nr_node, &nr_node_list) if (ax25cmp(callsign, &nr_node->callsign) == 0) { nr_node_hold(nr_node); found = nr_node; @@ -66,10 +66,9 @@ static struct nr_neigh *nr_neigh_get_dev(ax25_address *callsign, { struct nr_neigh *found = NULL; struct nr_neigh *nr_neigh; - struct hlist_node *node; spin_lock_bh(&nr_neigh_list_lock); - nr_neigh_for_each(nr_neigh, node, &nr_neigh_list) + nr_neigh_for_each(nr_neigh, &nr_neigh_list) if (ax25cmp(callsign, &nr_neigh->callsign) == 0 && nr_neigh->dev == dev) { nr_neigh_hold(nr_neigh); @@ -113,10 +112,9 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic, */ if (nr_neigh != NULL && nr_neigh->failed != 0 && quality == 0) { struct nr_node *nr_nodet; - struct hlist_node *node; spin_lock_bh(&nr_node_list_lock); - nr_node_for_each(nr_nodet, node, &nr_node_list) { + nr_node_for_each(nr_nodet, &nr_node_list) { nr_node_lock(nr_nodet); for (i = 0; i < nr_nodet->count; i++) if (nr_nodet->routes[i].neighbour == nr_neigh) @@ -256,9 +254,12 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic, case 3: if (nr_node->routes[1].quality > nr_node->routes[0].quality) { switch (nr_node->which) { - case 0: nr_node->which = 1; break; - case 1: nr_node->which = 0; break; - default: break; + case 0: + nr_node->which = 1; + break; + case 1: + nr_node->which = 0; + break; } nr_route = nr_node->routes[0]; nr_node->routes[0] = nr_node->routes[1]; @@ -481,11 +482,11 @@ static int nr_dec_obs(void) { struct nr_neigh *nr_neigh; struct nr_node *s; - struct hlist_node *node, *nodet; + struct hlist_node *nodet; int i; spin_lock_bh(&nr_node_list_lock); - nr_node_for_each_safe(s, node, nodet, &nr_node_list) { + nr_node_for_each_safe(s, nodet, &nr_node_list) { nr_node_lock(s); for (i = 0; i < s->count; i++) { switch (s->routes[i].obs_count) { @@ -504,12 +505,13 @@ static int nr_dec_obs(void) s->count--; switch (i) { - case 0: - s->routes[0] = s->routes[1]; - case 1: - s->routes[1] = s->routes[2]; - case 2: - break; + case 0: + s->routes[0] = s->routes[1]; + /* Fallthrough */ + case 1: + s->routes[1] = s->routes[2]; + case 2: + break; } break; @@ -535,15 +537,15 @@ static int nr_dec_obs(void) void nr_rt_device_down(struct net_device *dev) { struct nr_neigh *s; - struct hlist_node *node, *nodet, *node2, *node2t; + struct hlist_node *nodet, *node2t; struct nr_node *t; int i; spin_lock_bh(&nr_neigh_list_lock); - nr_neigh_for_each_safe(s, node, nodet, &nr_neigh_list) { + nr_neigh_for_each_safe(s, nodet, &nr_neigh_list) { if (s->dev == dev) { spin_lock_bh(&nr_node_list_lock); - nr_node_for_each_safe(t, node2, node2t, &nr_node_list) { + nr_node_for_each_safe(t, node2t, &nr_node_list) { nr_node_lock(t); for (i = 0; i < t->count; i++) { if (t->routes[i].neighbour == s) { @@ -664,14 +666,17 @@ int nr_rt_ioctl(unsigned int cmd, void __user *arg) case SIOCADDRT: if (copy_from_user(&nr_route, arg, sizeof(struct nr_route_struct))) return -EFAULT; - if ((dev = nr_ax25_dev_get(nr_route.device)) == NULL) + if (nr_route.ndigis > AX25_MAX_DIGIS) return -EINVAL; - if (nr_route.ndigis < 0 || nr_route.ndigis > AX25_MAX_DIGIS) { - dev_put(dev); + if ((dev = nr_ax25_dev_get(nr_route.device)) == NULL) return -EINVAL; - } switch (nr_route.type) { case NETROM_NODE: + if (strnlen(nr_route.mnemonic, 7) == 7) { + ret = -EINVAL; + break; + } + ret = nr_add_node(&nr_route.callsign, nr_route.mnemonic, &nr_route.neighbour, @@ -729,11 +734,10 @@ int nr_rt_ioctl(unsigned int cmd, void __user *arg) void nr_link_failed(ax25_cb *ax25, int reason) { struct nr_neigh *s, *nr_neigh = NULL; - struct hlist_node *node; struct nr_node *nr_node = NULL; spin_lock_bh(&nr_neigh_list_lock); - nr_neigh_for_each(s, node, &nr_neigh_list) { + nr_neigh_for_each(s, &nr_neigh_list) { if (s->ax25 == ax25) { nr_neigh_hold(s); nr_neigh = s; @@ -753,7 +757,7 @@ void nr_link_failed(ax25_cb *ax25, int reason) return; } spin_lock_bh(&nr_node_list_lock); - nr_node_for_each(nr_node, node, &nr_node_list) { + nr_node_for_each(nr_node, &nr_node_list) { nr_node_lock(nr_node); if (nr_node->which < nr_node->count && nr_node->routes[nr_node->which].neighbour == nr_neigh) @@ -843,12 +847,13 @@ int nr_route_frame(struct sk_buff *skb, ax25_cb *ax25) dptr = skb_push(skb, 1); *dptr = AX25_P_NETROM; - ax25s = ax25_send_frame(skb, 256, (ax25_address *)dev->dev_addr, &nr_neigh->callsign, nr_neigh->digipeat, nr_neigh->dev); - if (nr_neigh->ax25 && ax25s) { - /* We were already holding this ax25_cb */ + ax25s = nr_neigh->ax25; + nr_neigh->ax25 = ax25_send_frame(skb, 256, + (ax25_address *)dev->dev_addr, + &nr_neigh->callsign, + nr_neigh->digipeat, nr_neigh->dev); + if (ax25s) ax25_cb_put(ax25s); - } - nr_neigh->ax25 = ax25s; dev_put(dev); ret = (nr_neigh->ax25 != NULL); @@ -862,33 +867,13 @@ int nr_route_frame(struct sk_buff *skb, ax25_cb *ax25) static void *nr_node_start(struct seq_file *seq, loff_t *pos) { - struct nr_node *nr_node; - struct hlist_node *node; - int i = 1; - spin_lock_bh(&nr_node_list_lock); - if (*pos == 0) - return SEQ_START_TOKEN; - - nr_node_for_each(nr_node, node, &nr_node_list) { - if (i == *pos) - return nr_node; - ++i; - } - - return NULL; + return seq_hlist_start_head(&nr_node_list, *pos); } static void *nr_node_next(struct seq_file *seq, void *v, loff_t *pos) { - struct hlist_node *node; - ++*pos; - - node = (v == SEQ_START_TOKEN) - ? nr_node_list.first - : ((struct nr_node *)v)->node_node.next; - - return hlist_entry(node, struct nr_node, node_node); + return seq_hlist_next(v, &nr_node_list, pos); } static void nr_node_stop(struct seq_file *seq, void *v) @@ -905,7 +890,9 @@ static int nr_node_show(struct seq_file *seq, void *v) seq_puts(seq, "callsign mnemonic w n qual obs neigh qual obs neigh qual obs neigh\n"); else { - struct nr_node *nr_node = v; + struct nr_node *nr_node = hlist_entry(v, struct nr_node, + node_node); + nr_node_lock(nr_node); seq_printf(seq, "%-9s %-7s %d %d", ax2asc(buf, &nr_node->callsign), @@ -948,31 +935,13 @@ const struct file_operations nr_nodes_fops = { static void *nr_neigh_start(struct seq_file *seq, loff_t *pos) { - struct nr_neigh *nr_neigh; - struct hlist_node *node; - int i = 1; - spin_lock_bh(&nr_neigh_list_lock); - if (*pos == 0) - return SEQ_START_TOKEN; - - nr_neigh_for_each(nr_neigh, node, &nr_neigh_list) { - if (i == *pos) - return nr_neigh; - } - return NULL; + return seq_hlist_start_head(&nr_neigh_list, *pos); } static void *nr_neigh_next(struct seq_file *seq, void *v, loff_t *pos) { - struct hlist_node *node; - ++*pos; - - node = (v == SEQ_START_TOKEN) - ? nr_neigh_list.first - : ((struct nr_neigh *)v)->neigh_node.next; - - return hlist_entry(node, struct nr_neigh, neigh_node); + return seq_hlist_next(v, &nr_neigh_list, pos); } static void nr_neigh_stop(struct seq_file *seq, void *v) @@ -988,8 +957,9 @@ static int nr_neigh_show(struct seq_file *seq, void *v) if (v == SEQ_START_TOKEN) seq_puts(seq, "addr callsign dev qual lock count failed digipeaters\n"); else { - struct nr_neigh *nr_neigh = v; + struct nr_neigh *nr_neigh; + nr_neigh = hlist_entry(v, struct nr_neigh, neigh_node); seq_printf(seq, "%05d %-9s %-4s %3d %d %3d %3d", nr_neigh->number, ax2asc(buf, &nr_neigh->callsign), @@ -1039,16 +1009,16 @@ void __exit nr_rt_free(void) { struct nr_neigh *s = NULL; struct nr_node *t = NULL; - struct hlist_node *node, *nodet; + struct hlist_node *nodet; spin_lock_bh(&nr_neigh_list_lock); spin_lock_bh(&nr_node_list_lock); - nr_node_for_each_safe(t, node, nodet, &nr_node_list) { + nr_node_for_each_safe(t, nodet, &nr_node_list) { nr_node_lock(t); nr_remove_node_locked(t); nr_node_unlock(t); } - nr_neigh_for_each_safe(s, node, nodet, &nr_neigh_list) { + nr_neigh_for_each_safe(s, nodet, &nr_neigh_list) { while(s->count) { s->count--; nr_neigh_put(s); diff --git a/net/netrom/nr_subr.c b/net/netrom/nr_subr.c index 04e7d0d2fd8..ca40e2298f5 100644 --- a/net/netrom/nr_subr.c +++ b/net/netrom/nr_subr.c @@ -15,6 +15,7 @@ #include <linux/string.h> #include <linux/sockios.h> #include <linux/net.h> +#include <linux/slab.h> #include <net/ax25.h> #include <linux/inet.h> #include <linux/netdevice.h> @@ -22,7 +23,6 @@ #include <net/sock.h> #include <net/tcp_states.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <linux/fcntl.h> #include <linux/mm.h> #include <linux/interrupt.h> diff --git a/net/netrom/nr_timer.c b/net/netrom/nr_timer.c index 1cb98e88f5e..ff2c1b142f5 100644 --- a/net/netrom/nr_timer.c +++ b/net/netrom/nr_timer.c @@ -24,7 +24,6 @@ #include <net/sock.h> #include <net/tcp_states.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <linux/fcntl.h> #include <linux/mm.h> #include <linux/interrupt.h> diff --git a/net/netrom/sysctl_net_netrom.c b/net/netrom/sysctl_net_netrom.c index 1e0fa9e57aa..ba1c368b3f1 100644 --- a/net/netrom/sysctl_net_netrom.c +++ b/net/netrom/sysctl_net_netrom.c @@ -34,7 +34,7 @@ static int min_reset[] = {0}, max_reset[] = {1}; static struct ctl_table_header *nr_table_header; -static ctl_table nr_table[] = { +static struct ctl_table nr_table[] = { { .procname = "default_path_quality", .data = &sysctl_netrom_default_path_quality, @@ -146,18 +146,12 @@ static ctl_table nr_table[] = { { } }; -static struct ctl_path nr_path[] = { - { .procname = "net", }, - { .procname = "netrom", }, - { } -}; - void __init nr_register_sysctl(void) { - nr_table_header = register_sysctl_paths(nr_path, nr_table); + nr_table_header = register_net_sysctl(&init_net, "net/netrom", nr_table); } void nr_unregister_sysctl(void) { - unregister_sysctl_table(nr_table_header); + unregister_net_sysctl_table(nr_table_header); } |
