From fc9c67f5bee43127bba75d426ccb5b5ebd903c73 Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Tue, 20 Jan 2015 14:07:59 +0100
Subject: Fix CID 12439

---
 src/drivers/px4io/px4io.cpp | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

(limited to 'src/drivers')

diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index ed8f86fae..73204e220 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -3070,12 +3070,13 @@ lockdown(int argc, char *argv[])
 
 					if (ret > 0) {
 
-						read(0, &c, 1);
+						if (read(0, &c, 1) > 0) {
 
-						if (c != 'y') {
-							exit(0);
-						} else if (c == 'y') {
-							break;
+							if (c != 'y') {
+								exit(0);
+							} else if (c == 'y') {
+								break;
+							}
 						}
 					}
 
-- 
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