Reported-by: Cong Wang <[email protected]>
Cc: Cong Wang <[email protected]>
Cc: Tom Herbert <[email protected]>
Fixes: 4068579e1e098fa ("net: Implmement RFC 6936 (zero RX csums for UDP/IPv6")
Signed-off-by: Hannes Frederic Sowa <[email protected]>
---
net/ipv4/udp.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 0ff31d97d48586..ba0d8b8b76900a 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1755,8 +1755,11 @@ static inline int udp4_csum_init(struct sk_buff *skb,
struct udphdr *uh,
return err;
}
- return skb_checksum_init_zero_check(skb, proto, uh->check,
- inet_compute_pseudo);
+ /* Note, we are only interested in != 0 or == 0, thus the
+ * force to int.
+ */
+ return (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
+ inet_compute_pseudo);
}
/*
--
2.5.5
