Bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace.

[linux-flexiantxendom0-natty.git] / net / bluetooth / rfcomm / sock.c

diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 66cc1f0..784af0f 100644 (file)
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -787,6 +787,7 @@ static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __u
 
                l2cap_sk = rfcomm_pi(sk)->dlc->session->sock->sk;
 
+               memset(&cinfo, 0, sizeof(cinfo));
                cinfo.hci_handle = l2cap_pi(l2cap_sk)->conn->hcon->handle;
                memcpy(cinfo.dev_class, l2cap_pi(l2cap_sk)->conn->hcon->dev_class, 3);