diff options
Diffstat (limited to 'net/bluetooth/rfcomm/sock.c')
-rw-r--r-- | net/bluetooth/rfcomm/sock.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index ca87d6ac6a20..7f439765403d 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -40,6 +40,8 @@ #include <linux/skbuff.h> #include <linux/list.h> #include <linux/device.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> #include <net/sock.h> #include <asm/system.h> @@ -1061,28 +1063,38 @@ done: return result; } -static ssize_t rfcomm_sock_sysfs_show(struct class *dev, - struct class_attribute *attr, - char *buf) +static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p) { struct sock *sk; struct hlist_node *node; - char *str = buf; read_lock_bh(&rfcomm_sk_list.lock); 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), + seq_printf(f, "%s %s %d %d\n", + batostr(&bt_sk(sk)->src), + batostr(&bt_sk(sk)->dst), sk->sk_state, rfcomm_pi(sk)->channel); } read_unlock_bh(&rfcomm_sk_list.lock); - return (str - buf); + return 0; } -static CLASS_ATTR(rfcomm, S_IRUGO, rfcomm_sock_sysfs_show, NULL); +static int rfcomm_sock_debugfs_open(struct inode *inode, struct file *file) +{ + return single_open(file, rfcomm_sock_debugfs_show, inode->i_private); +} + +static const struct file_operations rfcomm_sock_debugfs_fops = { + .open = rfcomm_sock_debugfs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static struct dentry *rfcomm_sock_debugfs; static const struct proto_ops rfcomm_sock_ops = { .family = PF_BLUETOOTH, @@ -1122,8 +1134,12 @@ int __init rfcomm_init_sockets(void) if (err < 0) goto error; - if (class_create_file(bt_class, &class_attr_rfcomm) < 0) - BT_ERR("Failed to create RFCOMM info file"); + if (bt_debugfs) { + rfcomm_sock_debugfs = debugfs_create_file("rfcomm", 0444, + bt_debugfs, NULL, &rfcomm_sock_debugfs_fops); + if (!rfcomm_sock_debugfs) + BT_ERR("Failed to create RFCOMM debug file"); + } BT_INFO("RFCOMM socket layer initialized"); @@ -1137,7 +1153,7 @@ error: void rfcomm_cleanup_sockets(void) { - class_remove_file(bt_class, &class_attr_rfcomm); + debugfs_remove(rfcomm_sock_debugfs); if (bt_sock_unregister(BTPROTO_RFCOMM) < 0) BT_ERR("RFCOMM socket layer unregistration failed"); |