[PATCH v3 5/8] bluetooth: Added /proc/net/hidp via bt_procfs_init()

[Masatake YAMATO]

Signed-off-by: Masatake YAMATO <yam...@redhat.com>
---
 net/bluetooth/hidp/sock.c |   22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c
index 18b3f68..a481f8d 100644
--- a/net/bluetooth/hidp/sock.c
+++ b/net/bluetooth/hidp/sock.c
@@ -25,6 +25,10 @@
 
 #include "hidp.h"
 
+static struct bt_sock_list hidp_sk_list = {
+       .lock = __RW_LOCK_UNLOCKED(hidp_sk_list.lock)
+};
+
 static int hidp_sock_release(struct socket *sock)
 {
        struct sock *sk = sock->sk;
@@ -34,6 +38,8 @@ static int hidp_sock_release(struct socket *sock)
        if (!sk)
                return 0;
 
+       bt_sock_unlink(&hidp_sk_list, sk);
+
        sock_orphan(sk);
        sock_put(sk);
 
@@ -253,6 +259,8 @@ static int hidp_sock_create(struct net *net, struct socket 
*sock, int protocol,
        sk->sk_protocol = protocol;
        sk->sk_state    = BT_OPEN;
 
+       bt_sock_link(&hidp_sk_list, sk);
+
        return 0;
 }
 
@@ -271,9 +279,20 @@ int __init hidp_init_sockets(void)
                return err;
 
        err = bt_sock_register(BTPROTO_HIDP, &hidp_sock_family_ops);
-       if (err < 0)
+       if (err < 0) {
+               BT_ERR("Can't register HIDP socket");
                goto error;
+       }
+
+       err = bt_procfs_init(THIS_MODULE, &init_net, "hidp", &hidp_sk_list, 
NULL);
+       if (err < 0) {
+               BT_ERR("Failed to create HIDP proc file");
+               bt_sock_unregister(BTPROTO_HIDP);
+               goto error;
+       }
 
+       BT_INFO("HIDP socket layer initialized");
+
        return 0;
 
 error:
@@ -284,6 +303,7 @@ error:
 
 void __exit hidp_cleanup_sockets(void)
 {
+       bt_procfs_cleanup(&init_net, "hidp");
        if (bt_sock_unregister(BTPROTO_HIDP) < 0)
                BT_ERR("Can't unregister HIDP socket");
 
-- 
1.7.10.4

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