net: make tcp_cleanup_rbuf private
net_dma was the only external user so this can become local to tcp.c
again.
Cc: James Morris <jmorris@namei.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 28595a3..4874a0e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1377,7 +1377,7 @@
* calculation of whether or not we must ACK for the sake of
* a window update.
*/
-void tcp_cleanup_rbuf(struct sock *sk, int copied)
+static void tcp_cleanup_rbuf(struct sock *sk, int copied)
{
struct tcp_sock *tp = tcp_sk(sk);
bool time_to_ack = false;