From 18fee78c2082dd4a1bb89f8fafc100825cf1745e Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Tue, 17 Oct 2017 11:53:00 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10842
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/rt/src/chthreads.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'os/rt/src')

diff --git a/os/rt/src/chthreads.c b/os/rt/src/chthreads.c
index 49abadb2d..84a062b86 100644
--- a/os/rt/src/chthreads.c
+++ b/os/rt/src/chthreads.c
@@ -670,7 +670,7 @@ void chThdSleepUntil(systime_t time) {
   sysinterval_t interval;
 
   chSysLock();
-  interval = chTimeDiffX(time, chVTGetSystemTimeX());
+  interval = chTimeDiffX(chVTGetSystemTimeX(), time);
   if (interval > (sysinterval_t)0) {
     chThdSleepS(interval);
   }
@@ -697,7 +697,7 @@ systime_t chThdSleepUntilWindowed(systime_t prev, systime_t next) {
   chSysLock();
   time = chVTGetSystemTimeX();
   if (chTimeIsInRangeX(time, prev, next)) {
-    chThdSleepS(chTimeDiffX(next, time));
+    chThdSleepS(chTimeDiffX(time, next));
   }
   chSysUnlock();
 
-- 
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