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Diffstat (limited to 'net/bluetooth/rfcomm/sock.c')
-rw-r--r--net/bluetooth/rfcomm/sock.c47
1 files changed, 27 insertions, 20 deletions
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 8d0ee0b8a6b6..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>
@@ -1061,37 +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;
- int size = PAGE_SIZE;
read_lock_bh(&rfcomm_sk_list.lock);
sk_for_each(sk, node, &rfcomm_sk_list.head) {
- int len;
-
- len = snprintf(str, size, "%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);
-
- size -= len;
- if (size <= 0)
- break;
-
- str += len;
}
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,
@@ -1131,8 +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");
@@ -1146,7 +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");