[PATCH v3 3/8] bluetooth: Added /proc/net/cmtp via bt_procfs_init()

[Masatake YAMATO]

Signed-off-by: Masatake YAMATO <yam...@redhat.com>
---
 net/bluetooth/cmtp/sock.c |   23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index 311668d..d5cacef 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -42,6 +42,10 @@
 
 #include "cmtp.h"
 
+static struct bt_sock_list cmtp_sk_list = {
+       .lock = __RW_LOCK_UNLOCKED(cmtp_sk_list.lock)
+};
+
 static int cmtp_sock_release(struct socket *sock)
 {
        struct sock *sk = sock->sk;
@@ -51,6 +55,8 @@ static int cmtp_sock_release(struct socket *sock)
        if (!sk)
                return 0;
 
+       bt_sock_unlink(&cmtp_sk_list, sk);
+
        sock_orphan(sk);
        sock_put(sk);
 
@@ -214,6 +220,8 @@ static int cmtp_sock_create(struct net *net, struct socket 
*sock, int protocol,
        sk->sk_protocol = protocol;
        sk->sk_state    = BT_OPEN;
 
+       bt_sock_link(&cmtp_sk_list, sk);
+
        return 0;
 }
 
@@ -232,19 +240,30 @@ int cmtp_init_sockets(void)
                return err;
 
        err = bt_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops);
-       if (err < 0)
+       if (err < 0) {
+               BT_ERR("Can't register CMTP socket");
                goto error;
+       }
+
+       err = bt_procfs_init(THIS_MODULE, &init_net, "cmtp", &cmtp_sk_list, 
NULL);
+       if (err < 0) {
+               BT_ERR("Failed to create CMTP proc file");
+               bt_sock_unregister(BTPROTO_HIDP);
+               goto error;
+       }
+
+       BT_INFO("CMTP socket layer initialized");
 
        return 0;
 
 error:
-       BT_ERR("Can't register CMTP socket");
        proto_unregister(&cmtp_proto);
        return err;
 }
 
 void cmtp_cleanup_sockets(void)
 {
+       bt_procfs_cleanup(&init_net, "cmtp");
        if (bt_sock_unregister(BTPROTO_CMTP) < 0)
                BT_ERR("Can't unregister CMTP socket");
 
-- 
1.7.10.4

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