isdn: mISDN: set ->family in ->getname()

The "maddr->family" variable was not set but instead it leaked stack
information to userspace.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 8b07f83d48ad0fcfeef121e300f448a6df830353..e47dcb9d1e91d0ea3e383cdf8b8b09dcde2fce0a 100644 (file)
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -578,6 +578,7 @@ data_sock_getname(struct socket *sock, struct sockaddr *addr,
        lock_sock(sk);
 
        *addr_len = sizeof(*maddr);
+       maddr->family = AF_ISDN;
        maddr->dev = _pms(sk)->dev->id;
        maddr->channel = _pms(sk)->ch.nr;
        maddr->sapi = _pms(sk)->ch.addr & 0xff;