From 4c13c67504fb2b66c97ac6b902e67a864f1173e8 Mon Sep 17 00:00:00 2001
From: Lorenz Meier <lm@inf.ethz.ch>
Date: Fri, 11 Jul 2014 14:02:22 +0200
Subject: [PATCH] Hotfix: Close fd before reusing it again

---
 src/modules/commander/state_machine_helper.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/modules/commander/state_machine_helper.cpp b/src/modules/commander/state_machine_helper.cpp
index 6b96e3a3f6..ca95f139e4 100644
--- a/src/modules/commander/state_machine_helper.cpp
+++ b/src/modules/commander/state_machine_helper.cpp
@@ -666,6 +666,8 @@ int prearm_check(const struct vehicle_status_s *status, const int mavlink_fd)
 	}
 
 	if (!status->is_rotary_wing) {
+		/* accel done, close it */
+		close(fd);
 		fd = open(AIRSPEED_DEVICE_PATH, O_RDONLY);
 
 		if (fd < 0) {