From: Eric Dumazet edumazet@google.com
stable inclusion from linux-4.19.207 commit 1d3e3d569712e994483643f17b95ebf83965d4f2
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[ Upstream commit 92548b0ee220e000d81c27ac9a80e0ede895a881 ]
The UDP length field should be in network order. This removes the following sparse error:
net/ipv4/route.c:3173:27: warning: incorrect type in assignment (different base types) net/ipv4/route.c:3173:27: expected restricted __be16 [usertype] len net/ipv4/route.c:3173:27: got unsigned long
Fixes: 404eb77ea766 ("ipv4: support sport, dport and ip_proto in RTM_GETROUTE") Signed-off-by: Eric Dumazet edumazet@google.com Cc: Roopa Prabhu roopa@nvidia.com Cc: David Ahern dsahern@kernel.org Reviewed-by: David Ahern dsahern@kernel.org Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- 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 5de348b2c564e..a84ae8a00a034 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2810,7 +2810,7 @@ static struct sk_buff *inet_rtm_getroute_build_skb(__be32 src, __be32 dst, udph = skb_put_zero(skb, sizeof(struct udphdr)); udph->source = sport; udph->dest = dport; - udph->len = sizeof(struct udphdr); + udph->len = htons(sizeof(struct udphdr)); udph->check = 0; break; }