[PATCH 5.15 13/69] ipv4: Correct/silence an endian warning in __ip_do_redirect

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5.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kunwu Chan <chentao@xxxxxxxxxx>

[ Upstream commit c0e2926266af3b5acf28df0a8fc6e4d90effe0bb ]

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

Fixes: 969447f226b4 ("ipv4: use new_gw for redirect neigh lookup")
Suggested-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: Kunwu Chan <chentao@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20231119141759.420477-1-chentao@xxxxxxxxxx
Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 ea5329cb0fce2..12c59d700942f 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -786,7 +786,7 @@ 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, (__force u32)new_gw);
 	if (!n)
 		n = neigh_create(&arp_tbl, &new_gw, rt->dst.dev);
 	if (!IS_ERR(n)) {
-- 
2.42.0







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