From 48f1793a600030087fe03f883c9e62cb38921fdc Mon Sep 17 00:00:00 2001
From: liuhaitao <liuhaitao@xiaomi.com>
Date: Sat, 8 Feb 2020 11:40:29 +0800
Subject: [PATCH] tools/testbuild.sh: make sure fail get the real return error
 value

---
 tools/testbuild.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/testbuild.sh b/tools/testbuild.sh
index 16ccd703a6..5985c033e5 100755
--- a/tools/testbuild.sh
+++ b/tools/testbuild.sh
@@ -151,8 +151,9 @@ cd $nuttx || { echo "ERROR: failed to CD to $nuttx"; exit 1; }
 
 function makefunc {
   ${MAKE} $@
-  if [ $? != 0 ]; then
-    fail=$?
+  ret=$?
+  if [ $ret != 0 ]; then
+    fail=$ret
   fi
 }