X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fbluetooth%2Frfcomm%2Fsock.c;h=30586ab9e8783cad490916c367b1099a14103a85;hb=6dc0c2082b8acf30c9239fbbcc051eebdaf7ecff;hp=a2b30f0aedb7b4bc586cdabc141c392fc6eca775;hpb=dd0fc66fb33cd610bc1a5db8a5e232d34879b4d7;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index a2b30f0..30586ab 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -1,4 +1,4 @@ -/* +/* RFCOMM implementation for Linux Bluetooth stack (BlueZ). Copyright (C) 2002 Maxim Krasnyansky Copyright (C) 2002 Marcel Holtmann @@ -11,13 +11,13 @@ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY - CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, - COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS SOFTWARE IS DISCLAIMED. */ @@ -27,7 +27,6 @@ * $Id: sock.c,v 1.24 2002/10/03 01:00:34 maxk Exp $ */ -#include #include #include @@ -42,8 +41,7 @@ #include #include #include -#include -#include +#include #include #include @@ -59,7 +57,7 @@ #define BT_DBG(D...) #endif -static struct proto_ops rfcomm_sock_ops; +static const struct proto_ops rfcomm_sock_ops; static struct bt_sock_list rfcomm_sk_list = { .lock = RW_LOCK_UNLOCKED @@ -132,7 +130,7 @@ static struct sock *__rfcomm_get_sock_by_addr(u8 channel, bdaddr_t *src) struct hlist_node *node; sk_for_each(sk, node, &rfcomm_sk_list.head) { - if (rfcomm_pi(sk)->channel == channel && + if (rfcomm_pi(sk)->channel == channel && !bacmp(&bt_sk(sk)->src, src)) break; } @@ -338,7 +336,8 @@ static int rfcomm_sock_create(struct socket *sock, int protocol) sock->ops = &rfcomm_sock_ops; - if (!(sk = rfcomm_sock_alloc(sock, protocol, GFP_KERNEL))) + sk = rfcomm_sock_alloc(sock, protocol, GFP_ATOMIC); + if (!sk) return -ENOMEM; rfcomm_sock_init(sk, NULL); @@ -558,7 +557,6 @@ static int rfcomm_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct sock *sk = sock->sk; struct rfcomm_dlc *d = rfcomm_pi(sk)->dlc; struct sk_buff *skb; - int err; int sent = 0; if (msg->msg_flags & MSG_OOB) @@ -573,7 +571,8 @@ static int rfcomm_sock_sendmsg(struct kiocb *iocb, struct socket *sock, while (len) { size_t size = min_t(size_t, len, d->mtu); - + int err; + skb = sock_alloc_send_skb(sk, size + RFCOMM_SKB_RESERVE, msg->msg_flags & MSG_DONTWAIT, &err); if (!skb) @@ -583,13 +582,16 @@ static int rfcomm_sock_sendmsg(struct kiocb *iocb, struct socket *sock, err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size); if (err) { kfree_skb(skb); - sent = err; + if (sent == 0) + sent = err; break; } err = rfcomm_dlc_send(d, skb); if (err < 0) { kfree_skb(skb); + if (sent == 0) + sent = err; break; } @@ -599,7 +601,7 @@ static int rfcomm_sock_sendmsg(struct kiocb *iocb, struct socket *sock, release_sock(sk); - return sent ? sent : err; + return sent; } static long rfcomm_sock_data_wait(struct sock *sk, long timeo) @@ -841,7 +843,7 @@ static int rfcomm_sock_release(struct socket *sock) return err; } -/* ---- RFCOMM core layer callbacks ---- +/* ---- RFCOMM core layer callbacks ---- * * called under rfcomm_lock() */ @@ -862,7 +864,7 @@ int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, struct rfcomm_dlc * /* Check for backlog size */ if (sk_acceptq_is_full(parent)) { - BT_DBG("backlog full %d", parent->sk_ack_backlog); + BT_DBG("backlog full %d", parent->sk_ack_backlog); goto done; } @@ -887,91 +889,28 @@ done: return result; } -/* ---- Proc fs support ---- */ -#ifdef CONFIG_PROC_FS -static void *rfcomm_seq_start(struct seq_file *seq, loff_t *pos) +static ssize_t rfcomm_sock_sysfs_show(struct class *dev, char *buf) { struct sock *sk; struct hlist_node *node; - loff_t l = *pos; + char *str = buf; read_lock_bh(&rfcomm_sk_list.lock); - sk_for_each(sk, node, &rfcomm_sk_list.head) - if (!l--) - return sk; - return NULL; -} - -static void *rfcomm_seq_next(struct seq_file *seq, void *e, loff_t *pos) -{ - struct sock *sk = e; - (*pos)++; - return sk_next(sk); -} + sk_for_each(sk, node, &rfcomm_sk_list.head) { + str += sprintf(str, "%s %s %d %d\n", + batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst), + sk->sk_state, rfcomm_pi(sk)->channel); + } -static void rfcomm_seq_stop(struct seq_file *seq, void *e) -{ read_unlock_bh(&rfcomm_sk_list.lock); -} -static int rfcomm_seq_show(struct seq_file *seq, void *e) -{ - struct sock *sk = e; - seq_printf(seq, "%s %s %d %d\n", - batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst), - sk->sk_state, rfcomm_pi(sk)->channel); - return 0; + return (str - buf); } -static struct seq_operations rfcomm_seq_ops = { - .start = rfcomm_seq_start, - .next = rfcomm_seq_next, - .stop = rfcomm_seq_stop, - .show = rfcomm_seq_show -}; - -static int rfcomm_seq_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &rfcomm_seq_ops); -} - -static struct file_operations rfcomm_seq_fops = { - .owner = THIS_MODULE, - .open = rfcomm_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - -static int __init rfcomm_sock_proc_init(void) -{ - struct proc_dir_entry *p = create_proc_entry("sock", S_IRUGO, proc_bt_rfcomm); - if (!p) - return -ENOMEM; - p->proc_fops = &rfcomm_seq_fops; - return 0; -} - -static void __exit rfcomm_sock_proc_cleanup(void) -{ - remove_proc_entry("sock", proc_bt_rfcomm); -} - -#else /* CONFIG_PROC_FS */ - -static int __init rfcomm_sock_proc_init(void) -{ - return 0; -} - -static void __exit rfcomm_sock_proc_cleanup(void) -{ - return; -} -#endif /* CONFIG_PROC_FS */ +static CLASS_ATTR(rfcomm, S_IRUGO, rfcomm_sock_sysfs_show, NULL); -static struct proto_ops rfcomm_sock_ops = { +static const struct proto_ops rfcomm_sock_ops = { .family = PF_BLUETOOTH, .owner = THIS_MODULE, .release = rfcomm_sock_release, @@ -997,7 +936,7 @@ static struct net_proto_family rfcomm_sock_family_ops = { .create = rfcomm_sock_create }; -int __init rfcomm_init_sockets(void) +int __init rfcomm_init_sockets(void) { int err; @@ -1009,7 +948,8 @@ int __init rfcomm_init_sockets(void) if (err < 0) goto error; - rfcomm_sock_proc_init(); + if (class_create_file(bt_class, &class_attr_rfcomm) < 0) + BT_ERR("Failed to create RFCOMM info file"); BT_INFO("RFCOMM socket layer initialized"); @@ -1023,7 +963,7 @@ error: void __exit rfcomm_cleanup_sockets(void) { - rfcomm_sock_proc_cleanup(); + class_remove_file(bt_class, &class_attr_rfcomm); if (bt_sock_unregister(BTPROTO_RFCOMM) < 0) BT_ERR("RFCOMM socket layer unregistration failed");