isdn: mISDN: set ->family in ->getname()
authorDan Carpenter <dan.carpenter@oracle.com>
Mon, 22 Apr 2013 20:24:14 +0000 (20:24 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 25 Apr 2013 05:47:58 +0000 (01:47 -0400)
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>
drivers/isdn/mISDN/socket.c

index 8b07f83..e47dcb9 100644 (file)
@@ -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;