Bluetooth: L2CAP: Add get_peer_pid callback

This adds a callback to read the socket pid.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 537aaea..2d7d284 100644 (file)
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -660,6 +660,7 @@ struct l2cap_ops {
        void                    (*suspend) (struct l2cap_chan *chan);
        void                    (*set_shutdown) (struct l2cap_chan *chan);
        long                    (*get_sndtimeo) (struct l2cap_chan *chan);
+       struct pid              *(*get_peer_pid) (struct l2cap_chan *chan);
        struct sk_buff          *(*alloc_skb) (struct l2cap_chan *chan,
                                               unsigned long hdr_len,
                                               unsigned long len, int nb);

diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 40fb10b..117ba20 100644 (file)
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1504,6 +1504,13 @@ static long l2cap_sock_get_sndtimeo_cb(struct l2cap_chan *chan)
        return sk->sk_sndtimeo;
 }
 
+static struct pid *l2cap_sock_get_peer_pid_cb(struct l2cap_chan *chan)
+{
+       struct sock *sk = chan->data;
+
+       return sk->sk_peer_pid;
+}
+
 static void l2cap_sock_suspend_cb(struct l2cap_chan *chan)
 {
        struct sock *sk = chan->data;
@@ -1525,6 +1532,7 @@ static const struct l2cap_ops l2cap_chan_ops = {
        .suspend                = l2cap_sock_suspend_cb,
        .set_shutdown           = l2cap_sock_set_shutdown_cb,
        .get_sndtimeo           = l2cap_sock_get_sndtimeo_cb,
+       .get_peer_pid           = l2cap_sock_get_peer_pid_cb,
        .alloc_skb              = l2cap_sock_alloc_skb_cb,
 };