From 49c62879b8e3df0f0126b8ad844509bb79e016e5 Mon Sep 17 00:00:00 2001
From: Victor Vieux <victor.vieux@dotcloud.com>
Date: Wed, 16 Oct 2013 23:05:50 +0000
Subject: [PATCH] discard errno = 0 errors

---
 term/term.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/term/term.go b/term/term.go
index 5929c2caa1..8c53a20ca6 100644
--- a/term/term.go
+++ b/term/term.go
@@ -21,11 +21,19 @@ type Winsize struct {
 func GetWinsize(fd uintptr) (*Winsize, error) {
 	ws := &Winsize{}
 	_, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(ws)))
+	// Skipp errno = 0
+	if err == 0 {
+		return ws, nil
+	}
 	return ws, err
 }
 
 func SetWinsize(fd uintptr, ws *Winsize) error {
 	_, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(syscall.TIOCSWINSZ), uintptr(unsafe.Pointer(ws)))
+	// Skipp errno = 0
+	if err == 0 {
+		return nil
+	}
 	return err
 }