This is a note to let you know that I've just added the patch titled
ipv4: Correct/silence an endian warning in __ip_do_redirect
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ipv4-correct-silence-an-endian-warning-in-__ip_do_re.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit aded8c3cf11c802c7d7b9e202f56746824349c1f
Author: Kunwu Chan <chentao@xxxxxxxxxx>
Date: Sun Nov 19 22:17:59 2023 +0800
ipv4: Correct/silence an endian warning in __ip_do_redirect
[ 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>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 9753d07bfc0bf..f4d41ceef9466 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -791,7 +791,7 @@ 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)) {
