diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index ba22af16b96d..7dee74430b59 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -968,6 +968,19 @@ static int kcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) return err; } +static void kcm_splice_eof(struct socket *sock) +{ + struct sock *sk = sock->sk; + struct kcm_sock *kcm = kcm_sk(sk); + + if (skb_queue_empty_lockless(&sk->sk_write_queue)) + return; + + lock_sock(sk); + kcm_write_msgs(kcm); + release_sock(sk); +} + static ssize_t kcm_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags) @@ -1773,6 +1786,7 @@ static const struct proto_ops kcm_dgram_ops = { .sendmsg = kcm_sendmsg, .recvmsg = kcm_recvmsg, .mmap = sock_no_mmap, + .splice_eof = kcm_splice_eof, .sendpage = kcm_sendpage, }; @@ -1794,6 +1808,7 @@ static const struct proto_ops kcm_seqpacket_ops = { .sendmsg = kcm_sendmsg, .recvmsg = kcm_recvmsg, .mmap = sock_no_mmap, + .splice_eof = kcm_splice_eof, .sendpage = kcm_sendpage, .splice_read = kcm_splice_read, };