From 9e2da059358d3ae3dd26bd38042c483cace0048f Mon Sep 17 00:00:00 2001
From: Wu Jiang <wu@morediff.info>
Date: Mon, 28 Dec 2015 18:54:36 -0500
Subject: [PATCH] Unexport pins

Exported digital pins can be uninitialized.
---
 host/generic/digitalpin.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/host/generic/digitalpin.go b/host/generic/digitalpin.go
index 80a81ea..aa5dd09 100644
--- a/host/generic/digitalpin.go
+++ b/host/generic/digitalpin.go
@@ -236,6 +236,10 @@ func (p *digitalPin) Close() error {
 		return err
 	}
 
+	if err := p.unexport(); err != nil {
+		return err
+	}
+
 	if !p.initialized {
 		return nil
 	}
@@ -249,9 +253,6 @@ func (p *digitalPin) Close() error {
 	if err := p.activeLow.Close(); err != nil {
 		return err
 	}
-	if err := p.unexport(); err != nil {
-		return err
-	}
 
 	p.initialized = false