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authorDavid S. Miller <davem@davemloft.net>2010-06-24 05:26:27 +0400
committerDavid S. Miller <davem@davemloft.net>2010-06-24 05:26:27 +0400
commit8244132ea89cdd128003f5b9980fab50d8d36d72 (patch)
treec6cf9327cf9b6bab5bb830bbf389a514f4d7bb95 /net/ipv4
parent7b2ff18ee7b0ec4bc3162f821e221781aaca48bd (diff)
parent38000a94a902e94ca8b5498f7871c6316de8957a (diff)
downloadlinux-8244132ea89cdd128003f5b9980fab50d8d36d72.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/ipv4/ip_output.c
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/ip_output.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 6cbeb2e108de..7d1f4b4481a9 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -873,8 +873,10 @@ int ip_append_data(struct sock *sk,
!exthdrlen)
csummode = CHECKSUM_PARTIAL;
+ skb = skb_peek_tail(&sk->sk_write_queue);
+
inet->cork.length += length;
- if (((length> mtu) || !skb_queue_empty(&sk->sk_write_queue)) &&
+ if (((length > mtu) || (skb && skb_is_gso(skb))) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO)) {
err = ip_ufo_append_data(sk, getfrag, from, length, hh_len,
@@ -892,7 +894,7 @@ int ip_append_data(struct sock *sk,
* adding appropriate IP header.
*/
- if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL)
+ if (!skb)
goto alloc_new_skb;
while (length > 0) {
@@ -1121,7 +1123,8 @@ ssize_t ip_append_page(struct sock *sk, struct page *page,
return -EINVAL;
inet->cork.length += size;
- if ((sk->sk_protocol == IPPROTO_UDP) &&
+ if ((size + skb->len > mtu) &&
+ (sk->sk_protocol == IPPROTO_UDP) &&
(rt->dst.dev->features & NETIF_F_UFO)) {
skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP;