netdev - [patch] isdn: mISDN: set ->family in ->getname()

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Message-ID: <20130423062414.GC15893@elgon.mountain>
Date:	Tue, 23 Apr 2013 09:24:14 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Karsten Keil <isdn@...ux-pingi.de>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] 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@...cle.com>

diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 8b07f83..a838864 100644
--- 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;
--
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