netdev - [PATCH 12/36] netfilter: ip6t_SYNPROXY: unnecessary to check whether ip6_route

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Date:	Mon,  9 May 2016 20:46:30 +0200
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	netfilter-devel@...r.kernel.org
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 12/36] netfilter: ip6t_SYNPROXY: unnecessary to check whether ip6_route_output returns NULL

From: Liping Zhang <liping.zhang@...eadtrum.com>

ip6_route_output() will never return a NULL pointer, so there's no need
to check it.

Signed-off-by: Liping Zhang <liping.zhang@...eadtrum.com>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/ipv6/netfilter/ip6t_SYNPROXY.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c
index 5d778dd..06bed74 100644
--- a/net/ipv6/netfilter/ip6t_SYNPROXY.c
+++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c
@@ -60,7 +60,7 @@ synproxy_send_tcp(struct net *net,
 	fl6.fl6_dport = nth->dest;
 	security_skb_classify_flow((struct sk_buff *)skb, flowi6_to_flowi(&fl6));
 	dst = ip6_route_output(net, NULL, &fl6);
-	if (dst == NULL || dst->error) {
+	if (dst->error) {
 		dst_release(dst);
 		goto free_nskb;
 	}
-- 
2.1.4