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-rw-r--r--net/ipv6/udp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 0d22008d522e..bb45b9b7cbd9 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -536,7 +536,7 @@ static int udp_v6_push_pending_frames(struct sock *sk, struct udp_sock *up)
uh->check = csum_ipv6_magic(&fl->fl6_src, &fl->fl6_dst,
up->len, fl->proto, csum );
if (uh->check == 0)
- uh->check = -1;
+ uh->check = CSUM_MANGLED_0;
err = ip6_push_pending_frames(sk);
out: