From 003a3b0b3663b03b07bdb2f6771b80b2a190a7d0 Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Thu, 6 Aug 2015 09:38:15 +0200
Subject: [PATCH] Fix file presence operator (thanks to @sjwilks)

---
 ROMFS/px4fmu_common/init.d/rc.interface | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ROMFS/px4fmu_common/init.d/rc.interface b/ROMFS/px4fmu_common/init.d/rc.interface
index 61abda3427..f3761200a1 100644
--- a/ROMFS/px4fmu_common/init.d/rc.interface
+++ b/ROMFS/px4fmu_common/init.d/rc.interface
@@ -121,7 +121,7 @@ then
 	then
 		if fmu mode_pwm
 		then
-			if [ -f $OUTPUT_AUX_DEV ]
+			if [ -e $OUTPUT_AUX_DEV ]
 			then
 				if mixer load $OUTPUT_AUX_DEV $MIXER_AUX_FILE
 				then