From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <cyrus@holtmann.org>
Date: Thu, 22 Apr 2010 11:52:01 +0200
From: Dan Carpenter <error27@gmail.com>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: "David S. Miller" <davem@davemloft.net>,
	"Gustavo F. Padovan" <gustavo@padovan.org>,
	Andrei Emeltchenko <andrei.emeltchenko@nokia.com>,
	linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: [patch] bluetooth: handle l2cap_create_connless_pdu() errors
Message-ID: <20100422095201.GO29647@bicker>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
List-ID: <linux-bluetooth.vger.kernel.org>

l2cap_create_connless_pdu() can sometimes return ERR_PTR(-ENOMEM) or
ERR_PTR(-EFAULT).

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 99d68c3..9753b69 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -1626,7 +1626,10 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
 	/* Connectionless channel */
 	if (sk->sk_type == SOCK_DGRAM) {
 		skb = l2cap_create_connless_pdu(sk, msg, len);
-		err = l2cap_do_send(sk, skb);
+		if (IS_ERR(skb))
+			err = PTR_ERR(skb);
+		else
+			err = l2cap_do_send(sk, skb);
 		goto done;
 	}