linux-kernel - [PATCH v2] ipv6: Correct/silence an endian warning in ip6_multipath_l3

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Message-Id: <20231119143913.654381-1-chentao@kylinos.cn>
Date:   Sun, 19 Nov 2023 22:39:13 +0800
From:   Kunwu Chan <chentao@...inos.cn>
To:     edumazet@...gle.com
Cc:     chentao@...inos.cn, davem@...emloft.net, dsahern@...nel.org,
        kuba@...nel.org, kunwu.chan@...mail.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        pabeni@...hat.com
Subject: [PATCH v2] ipv6: Correct/silence an endian warning in ip6_multipath_l3_keys

net/ipv6/route.c:2332:39: warning: incorrect type in assignment (different base types)
net/ipv6/route.c:2332:39:    expected unsigned int [usertype] flow_label
net/ipv6/route.c:2332:39:    got restricted __be32

Fixes: fa1be7e01ea8 ("ipv6: omit traffic class when calculating flow hash")
Suggested-by: Eric Dumazet <edumazet@...gle.com>
Signed-off-by: Kunwu Chan <chentao@...inos.cn>
---
 net/ipv6/route.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index b132feae3393..1fdae8d71339 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2329,7 +2329,7 @@ static void ip6_multipath_l3_keys(const struct sk_buff *skb,
 	} else {
 		keys->addrs.v6addrs.src = key_iph->saddr;
 		keys->addrs.v6addrs.dst = key_iph->daddr;
-		keys->tags.flow_label = ip6_flowlabel(key_iph);
+		keys->tags.flow_label = (__force u32)ip6_flowlabel(key_iph);
 		keys->basic.ip_proto = key_iph->nexthdr;
 	}
 }
-- 
2.34.1