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-rw-r--r--net/ipv4/tcp.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 2e3807d8eba8..ec97e4b4a62f 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -429,7 +429,7 @@ EXPORT_SYMBOL(tcp_init_sock);
static void tcp_tx_timestamp(struct sock *sk, u16 tsflags, struct sk_buff *skb)
{
- if (tsflags) {
+ if (tsflags && skb) {
struct skb_shared_info *shinfo = skb_shinfo(skb);
struct tcp_skb_cb *tcb = TCP_SKB_CB(skb);
@@ -958,10 +958,8 @@ new_segment:
copied += copy;
offset += copy;
size -= copy;
- if (!size) {
- tcp_tx_timestamp(sk, sk->sk_tsflags, skb);
+ if (!size)
goto out;
- }
if (skb->len < size_goal || (flags & MSG_OOB))
continue;
@@ -987,8 +985,11 @@ wait_for_memory:
}
out:
- if (copied && !(flags & MSG_SENDPAGE_NOTLAST))
- tcp_push(sk, flags, mss_now, tp->nonagle, size_goal);
+ if (copied) {
+ tcp_tx_timestamp(sk, sk->sk_tsflags, tcp_write_queue_tail(sk));
+ if (!(flags & MSG_SENDPAGE_NOTLAST))
+ tcp_push(sk, flags, mss_now, tp->nonagle, size_goal);
+ }
return copied;
do_error:
@@ -1281,7 +1282,6 @@ new_segment:
copied += copy;
if (!msg_data_left(msg)) {
- tcp_tx_timestamp(sk, sockc.tsflags, skb);
if (unlikely(flags & MSG_EOR))
TCP_SKB_CB(skb)->eor = 1;
goto out;
@@ -1312,8 +1312,10 @@ wait_for_memory:
}
out:
- if (copied)
+ if (copied) {
+ tcp_tx_timestamp(sk, sockc.tsflags, tcp_write_queue_tail(sk));
tcp_push(sk, flags, mss_now, tp->nonagle, size_goal);
+ }
out_nopush:
release_sock(sk);
return copied + copied_syn;