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Date:   Tue,  3 Aug 2021 12:00:16 +0200
From:   Antoine Tenart <>
Cc:     Antoine Tenart <>,,
        Vadim Fedorenko <>
Subject: [PATCH net] net: ipv6: fix returned variable type in ip6_skb_dst_mtu

The patch fixing the returned value of ip6_skb_dst_mtu (int -> unsigned
int) was rebased between its initial review and the version applied. In
the meantime fade56410c22 was applied, which added a new variable (int)
used as the returned value. This lead to a mismatch between the function
prototype and the variable used as the return value.

Fixes: 40fc3054b458 ("net: ipv6: fix return value of ip6_skb_dst_mtu")
Cc: Vadim Fedorenko <>
Signed-off-by: Antoine Tenart <>
 include/net/ip6_route.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 625a38ccb5d9..0bf09a9bca4e 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -265,7 +265,7 @@ int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
 static inline unsigned int ip6_skb_dst_mtu(struct sk_buff *skb)
-	int mtu;
+	unsigned int mtu;
 	struct ipv6_pinfo *np = skb->sk && !dev_recursion_level() ?
 				inet6_sk(skb->sk) : NULL;

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