Bluetooth: 6lowpan: remove unnecessary codes in give_skb_to_upper

netif_rx() only returns NET_RX_DROP and NET_RX_SUCCESS, not returns
negative value

Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index c2e0d14..9b5c89b 100644 (file)
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -249,19 +249,12 @@ static struct lowpan_dev *lookup_dev(struct l2cap_conn *conn)
 static int give_skb_to_upper(struct sk_buff *skb, struct net_device *dev)
 {
        struct sk_buff *skb_cp;
-       int ret;
 
        skb_cp = skb_copy(skb, GFP_ATOMIC);
        if (!skb_cp)
                return -ENOMEM;
 
-       ret = netif_rx(skb_cp);
-       if (ret < 0) {
-               BT_DBG("receive skb %d", ret);
-               return NET_RX_DROP;
-       }
-
-       return ret;
+       return netif_rx(skb_cp);
 }
 
 static int process_data(struct sk_buff *skb, struct net_device *netdev,