diff options
Diffstat (limited to 'kernel/net/ipv4/tcp.c')
-rw-r--r-- | kernel/net/ipv4/tcp.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/net/ipv4/tcp.c b/kernel/net/ipv4/tcp.c index 036a76ba2..600dcda84 100644 --- a/kernel/net/ipv4/tcp.c +++ b/kernel/net/ipv4/tcp.c @@ -783,6 +783,12 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos, ret = -EAGAIN; break; } + /* if __tcp_splice_read() got nothing while we have + * an skb in receive queue, we do not want to loop. + * This might happen with URG data. + */ + if (!skb_queue_empty(&sk->sk_receive_queue)) + break; sk_wait_data(sk, &timeo, NULL); if (signal_pending(current)) { ret = sock_intr_errno(timeo); @@ -1212,7 +1218,7 @@ new_segment: if (!skb_can_coalesce(skb, i, pfrag->page, pfrag->offset)) { - if (i == sysctl_max_skb_frags || !sg) { + if (i >= sysctl_max_skb_frags || !sg) { tcp_mark_push(tp, skb); goto new_segment; } |