From 7cdf9c31bf23410896869cad028c330dc4d0c6cb Mon Sep 17 00:00:00 2001
From: Julian Oes <julian@oes.ch>
Date: Mon, 1 Aug 2016 10:54:22 +0200
Subject: [PATCH] navigator: usual usleep after poll fail

We don't want to busy loop after the poll fail if that ever happened.
---
 src/modules/navigator/navigator_main.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/modules/navigator/navigator_main.cpp b/src/modules/navigator/navigator_main.cpp
index 31a5a43559..cae040c02d 100644
--- a/src/modules/navigator/navigator_main.cpp
+++ b/src/modules/navigator/navigator_main.cpp
@@ -349,6 +349,7 @@ Navigator::task_main()
 		} else if (pret < 0) {
 			/* this is undesirable but not much we can do - might want to flag unhappy status */
 			PX4_WARN("nav: poll error %d, %d", pret, errno);
+			usleep(10000);
 			continue;
 		} else {