From: Johan Hedberg <johan.hedberg@intel.com>
Date: Thu, 12 Dec 2013 07:53:21 +0000 (+0200)
Subject: Bluetooth: Fix test for lookup_dev return value
X-Git-Tag: next-20131213~53^2~1
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=30d3db44bb337321b25344eea3ed6a64ee16fcc8;p=karo-tx-linux.git

Bluetooth: Fix test for lookup_dev return value

The condition wouldn't have previously caused -ENOENT to be returned if
dev was NULL. The proper condition should be if (!dev || !dev->netdev).

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---

diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 3cbb1d14c304..5ad8b483efa3 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -330,7 +330,7 @@ int bt_6lowpan_recv(struct l2cap_conn *conn, struct sk_buff *skb)
 		return -ENOENT;
 
 	dev = lookup_dev(conn);
-	if (dev && !dev->netdev)
+	if (!dev || !dev->netdev)
 		return -ENOENT;
 
 	err = recv_pkt(skb, dev->netdev, conn);