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-rw-r--r--net/ipv4/ip_output.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 08349267ceb4..e527628f56cf 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -753,23 +753,15 @@ static inline int ip_ufo_append_data(struct sock *sk,
skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0;
sk->sk_sndmsg_off = 0;
- }
- err = skb_append_datato_frags(sk,skb, getfrag, from,
- (length - transhdrlen));
- if (!err) {
- /* specify the length of each IP datagram fragment*/
+ /* specify the length of each IP datagram fragment */
skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
__skb_queue_tail(&sk->sk_write_queue, skb);
-
- return 0;
}
- /* There is not enough support do UFO ,
- * so follow normal path
- */
- kfree_skb(skb);
- return err;
+
+ return skb_append_datato_frags(sk, skb, getfrag, from,
+ (length - transhdrlen));
}
/*
@@ -863,9 +855,9 @@ int ip_append_data(struct sock *sk,
csummode = CHECKSUM_PARTIAL;
inet->cork.length += length;
- if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) &&
- (rt->u.dst.dev->features & NETIF_F_UFO)) {
-
+ if (((length> mtu) || !skb_queue_empty(&sk->sk_write_queue)) &&
+ (sk->sk_protocol == IPPROTO_UDP) &&
+ (rt->u.dst.dev->features & NETIF_F_UFO)) {
err = ip_ufo_append_data(sk, getfrag, from, length, hh_len,
fragheaderlen, transhdrlen, mtu,
flags);