linux-kernel - [PATCH] ipv4: Correct/silence an endian warning in __ip_do

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Message-Id: <20231117152728.2286551-1-chentao@kylinos.cn>
Date:   Fri, 17 Nov 2023 23:27:28 +0800
From:   Kunwu Chan <chentao@...inos.cn>
To:     davem@...emloft.net, dsahern@...nel.org, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com
Cc:     kunwu.chan@...mail.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Kunwu Chan <chentao@...inos.cn>
Subject: [PATCH] ipv4: Correct/silence an endian warning in __ip_do_redirect

net/ipv4/route.c:783:46: warning: incorrect type in argument 2 (different base types)
net/ipv4/route.c:783:46:    expected unsigned int [usertype] key
net/ipv4/route.c:783:46:    got restricted __be32 [usertype] new_gw

Signed-off-by: Kunwu Chan <chentao@...inos.cn>
---
 net/ipv4/route.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 3290a4442b4a..e8a542c6b031 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -780,7 +780,7 @@ static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flow
 			goto reject_redirect;
 	}
 
-	n = __ipv4_neigh_lookup(rt->dst.dev, new_gw);
+	n = __ipv4_neigh_lookup(rt->dst.dev, be32_to_cpu(new_gw));
 	if (!n)
 		n = neigh_create(&arp_tbl, &new_gw, rt->dst.dev);
 	if (!IS_ERR(n)) {
-- 
2.34.1