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 3cbb1d1..5ad8b48 100644 (file)
--- 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);