From d6fe9d47e0f30cffb7e40623d355df45250f8fcb Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Mon, 27 Aug 2018 12:09:29 +1000
Subject: [PATCH] AP_HAL_SITL: check return value from posix_memalign

Avoids return-value-must-be-checked compiler warning
---
 libraries/AP_HAL_SITL/Scheduler.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libraries/AP_HAL_SITL/Scheduler.cpp b/libraries/AP_HAL_SITL/Scheduler.cpp
index 7bdcc2ea89..1f49d254a9 100644
--- a/libraries/AP_HAL_SITL/Scheduler.cpp
+++ b/libraries/AP_HAL_SITL/Scheduler.cpp
@@ -267,7 +267,9 @@ bool Scheduler::thread_create(AP_HAL::MemberProc proc, const char *name, uint32_
     if (!a->f) {
         goto failed;
     }
-    posix_memalign(&a->stack, 4096, alloc_stack);
+    if (posix_memalign(&a->stack, 4096, alloc_stack) != 0) {
+        goto failed;
+    }
     if (!a->stack) {
         goto failed;
     }