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authorVadim Fedorenko <vfedorenko@novek.ru>2021-07-02 02:47:00 +0300
committerDavid S. Miller <davem@davemloft.net>2021-07-02 11:57:01 -0700
commit40fc3054b45820c28ea3c65e2c86d041dc244a8a (patch)
treed7e1774e9221f0897d70a1291707c5b9201d1a25 /include/net/ip6_route.h
parentbde3c8ffdd4153a3e9f0b0d51d972b30113b35ac (diff)
net: ipv6: fix return value of ip6_skb_dst_mtu
Commit 628a5c561890 ("[INET]: Add IP(V6)_PMTUDISC_RPOBE") introduced ip6_skb_dst_mtu with return value of signed int which is inconsistent with actually returned values. Also 2 users of this function actually assign its value to unsigned int variable and only __xfrm6_output assigns result of this function to signed variable but actually uses as unsigned in further comparisons and calls. Change this function to return unsigned int value. Fixes: 628a5c561890 ("[INET]: Add IP(V6)_PMTUDISC_RPOBE") Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip6_route.h')
-rw-r--r--include/net/ip6_route.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index f14149df5a65..625a38ccb5d9 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -263,7 +263,7 @@ static inline bool ipv6_anycast_destination(const struct dst_entry *dst,
int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
int (*output)(struct net *, struct sock *, struct sk_buff *));
-static inline int ip6_skb_dst_mtu(struct sk_buff *skb)
+static inline unsigned int ip6_skb_dst_mtu(struct sk_buff *skb)
{
int mtu;