From f5db8136d7ca11a4cd8645b6f2ea1c0406254e1c Mon Sep 17 00:00:00 2001
From: Daniel Harding <daniel@pcpartpicker.com>
Date: Mon, 27 Mar 2017 16:54:56 +0200
Subject: [PATCH] Fix logic error in TcpStream.read_buf()

If the underlying read_bufs() call returned a WouldBlock error,
TcpStream.read_buf() was erroneously calling self.io.need_write(), when
it should actually call self.io.need_read().
---
 src/net/tcp.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/net/tcp.rs b/src/net/tcp.rs
index b20f18ec7..a0d441244 100644
--- a/src/net/tcp.rs
+++ b/src/net/tcp.rs
@@ -526,7 +526,7 @@ impl<'a> AsyncRead for &'a TcpStream {
             }
             Err(e) => {
                 if e.kind() == io::ErrorKind::WouldBlock {
-                    self.io.need_write();
+                    self.io.need_read();
                 }
                 Err(e)
             }