packet: remove some pointless conditionals before kfree_skb()

Remove some pointless conditionals before kfree_skb().

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 1fc4a78..d8cc006 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -756,8 +756,7 @@ ring_is_full:
        spin_unlock(&sk->sk_receive_queue.lock);
 
        sk->sk_data_ready(sk, 0);
-       if (copy_skb)
-               kfree_skb(copy_skb);
+       kfree_skb(copy_skb);
        goto drop_n_restore;
 }