diff options
Diffstat (limited to 'net/bluetooth/rfcomm/core.c')
-rw-r--r-- | net/bluetooth/rfcomm/core.c | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index db8a68e1a5b..7dca91bb8c5 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -33,9 +33,12 @@ #include <linux/init.h> #include <linux/wait.h> #include <linux/device.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> #include <linux/net.h> #include <linux/mutex.h> #include <linux/kthread.h> +#include <linux/slab.h> #include <net/sock.h> #include <asm/uaccess.h> @@ -2098,13 +2101,10 @@ static struct hci_cb rfcomm_cb = { .security_cfm = rfcomm_security_cfm }; -static ssize_t rfcomm_dlc_sysfs_show(struct class *dev, - struct class_attribute *attr, - char *buf) +static int rfcomm_dlc_debugfs_show(struct seq_file *f, void *x) { struct rfcomm_session *s; struct list_head *pp, *p; - char *str = buf; rfcomm_lock(); @@ -2114,18 +2114,32 @@ static ssize_t rfcomm_dlc_sysfs_show(struct class *dev, struct sock *sk = s->sock->sk; struct rfcomm_dlc *d = list_entry(pp, struct rfcomm_dlc, list); - str += sprintf(str, "%s %s %ld %d %d %d %d\n", - batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst), - d->state, d->dlci, d->mtu, d->rx_credits, d->tx_credits); + seq_printf(f, "%s %s %ld %d %d %d %d\n", + batostr(&bt_sk(sk)->src), + batostr(&bt_sk(sk)->dst), + d->state, d->dlci, d->mtu, + d->rx_credits, d->tx_credits); } } rfcomm_unlock(); - return (str - buf); + return 0; } -static CLASS_ATTR(rfcomm_dlc, S_IRUGO, rfcomm_dlc_sysfs_show, NULL); +static int rfcomm_dlc_debugfs_open(struct inode *inode, struct file *file) +{ + return single_open(file, rfcomm_dlc_debugfs_show, inode->i_private); +} + +static const struct file_operations rfcomm_dlc_debugfs_fops = { + .open = rfcomm_dlc_debugfs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static struct dentry *rfcomm_dlc_debugfs; /* ---- Initialization ---- */ static int __init rfcomm_init(void) @@ -2142,8 +2156,12 @@ static int __init rfcomm_init(void) goto unregister; } - if (class_create_file(bt_class, &class_attr_rfcomm_dlc) < 0) - BT_ERR("Failed to create RFCOMM info file"); + if (bt_debugfs) { + rfcomm_dlc_debugfs = debugfs_create_file("rfcomm_dlc", 0444, + bt_debugfs, NULL, &rfcomm_dlc_debugfs_fops); + if (!rfcomm_dlc_debugfs) + BT_ERR("Failed to create RFCOMM debug file"); + } err = rfcomm_init_ttys(); if (err < 0) @@ -2171,7 +2189,7 @@ unregister: static void __exit rfcomm_exit(void) { - class_remove_file(bt_class, &class_attr_rfcomm_dlc); + debugfs_remove(rfcomm_dlc_debugfs); hci_unregister_cb(&rfcomm_cb); |