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-rw-r--r--include/net/udp.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/net/udp.h b/include/net/udp.h
index 2ecfc6e15609..68a1fefe3dfe 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -111,7 +111,9 @@ struct sk_buff;
*/
static inline __sum16 __udp_lib_checksum_complete(struct sk_buff *skb)
{
- return __skb_checksum_complete_head(skb, UDP_SKB_CB(skb)->cscov);
+ return (UDP_SKB_CB(skb)->cscov == skb->len ?
+ __skb_checksum_complete(skb) :
+ __skb_checksum_complete_head(skb, UDP_SKB_CB(skb)->cscov));
}
static inline int udp_lib_checksum_complete(struct sk_buff *skb)