netfilter: nfnetlink_queue: remove pointless conditional before kfree_skb()

Remove pointless conditional before kfree_skb().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c
index c0496a5..5c2d78d 100644 (file)
--- a/net/netfilter/nfnetlink_queue_core.c
+++ b/net/netfilter/nfnetlink_queue_core.c
@@ -406,8 +406,7 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
        return skb;
 
 nla_put_failure:
-       if (skb)
-               kfree_skb(skb);
+       kfree_skb(skb);
        net_err_ratelimited("nf_queue: error creating packet message\n");
        return NULL;
 }