From b687473174a921a7282503ded9151de911ea2612 Mon Sep 17 00:00:00 2001
From: Lucas De Marchi <lucas.demarchi@intel.com>
Date: Tue, 21 Jun 2016 16:42:17 -0300
Subject: [PATCH] AP_HAL_Linux: ignore unused result on panic

There's not much we can do if the write() call inside a panic function
failed. Just ignore the failure.
---
 libraries/AP_HAL_Linux/system.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libraries/AP_HAL_Linux/system.cpp b/libraries/AP_HAL_Linux/system.cpp
index ff0c119248..52bab46718 100644
--- a/libraries/AP_HAL_Linux/system.cpp
+++ b/libraries/AP_HAL_Linux/system.cpp
@@ -3,6 +3,7 @@
 #include <sys/time.h>
 #include <unistd.h>
 
+#include <AP_Common/AP_Common.h>
 #include <AP_HAL/AP_HAL.h>
 #include <AP_HAL/system.h>
 #include <AP_HAL_Linux/Scheduler.h>
@@ -27,7 +28,7 @@ void panic(const char *errormsg, ...)
     va_start(ap, errormsg);
     vdprintf(1, errormsg, ap);
     va_end(ap);
-    write(1, "\n", 1);
+    UNUSED_RESULT(write(1, "\n", 1));
 
     hal.rcin->deinit();
     hal.scheduler->delay_microseconds(10000);