From 04b491c365e048e5a434bdcc2f686c425883f851 Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Sat, 28 May 2016 13:40:14 +0200
Subject: [PATCH] Exit top on read failure

---
 src/systemcmds/top/top.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/systemcmds/top/top.c b/src/systemcmds/top/top.c
index 68e2801bab..6de022e9a0 100644
--- a/src/systemcmds/top/top.c
+++ b/src/systemcmds/top/top.c
@@ -89,7 +89,11 @@ top_main(int argc, char *argv[])
 
 			if (ret > 0) {
 
-				read(0, &c, 1);
+				ret = read(0, &c, 1);
+
+				if (ret) {
+					return 1;
+				}
 
 				switch (c) {
 				case 0x03: // ctrl-c