diff options
| -rw-r--r-- | net/core/datagram.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c index f1506c7d414e..80b0fd83fac8 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -700,7 +700,8 @@ __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len) if (likely(!sum)) { if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE)) netdev_rx_csum_fault(skb->dev); - skb->ip_summed = CHECKSUM_UNNECESSARY; + if (!skb_shared(skb)) + skb->ip_summed = CHECKSUM_UNNECESSARY; } return sum; } |