Bluetooth: Fix handling of getpeername() for HCI sockets

The HCI sockets do not have a peer associated with it and so make sure
that getpeername() returns EOPNOTSUPP since this operation is actually
not supported on HCI sockets.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index c45ec25aefb9..d8589410142f 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -699,6 +699,9 @@ static int hci_sock_getname(struct socket *sock, struct sockaddr *addr,
 
         BT_DBG("sock %p sk %p", sock, sk);
 
+        if (peer)
+                return -EOPNOTSUPP;
+
         if (!hdev)
                 return -EBADFD;