diff options
| -rw-r--r-- | net/mptcp/protocol.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 1bdfbca1c23a..a11e51222e59 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -713,6 +713,7 @@ static int mptcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) { int mss_now = 0, size_goal = 0, ret = 0; struct mptcp_sock *msk = mptcp_sk(sk); + struct page_frag *pfrag; struct socket *ssock; size_t copied = 0; struct sock *ssk; @@ -741,13 +742,16 @@ fallback: return ret >= 0 ? ret + copied : (copied ? copied : ret); } + pfrag = sk_page_frag(sk); restart: mptcp_clean_una(sk); wait_for_sndbuf: __mptcp_flush_join_list(msk); ssk = mptcp_subflow_get_send(msk); - while (!sk_stream_memory_free(sk) || !ssk) { + while (!sk_stream_memory_free(sk) || + !ssk || + !mptcp_page_frag_refill(ssk, pfrag)) { if (ssk) { /* make sure retransmit timer is * running before we wait for memory. @@ -808,6 +812,7 @@ wait_for_sndbuf: break; if (!sk_stream_memory_free(ssk) || + !mptcp_page_frag_refill(ssk, pfrag) || !mptcp_ext_cache_refill(msk)) { set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); tcp_push(ssk, msg->msg_flags, mss_now, |