Statistics
| Branch: | Tag: | Revision:

amiro-os / kernel / patches / chTimeAddX-overflow-fix.patch @ 1dd7edc7

History | View | Annotate | Download (701 Bytes)

1
diff --git a/os/rt/include/chtime.h b/os/rt/include/chtime.h
2
index c975d10..99ce8d8 100644
3
--- a/os/rt/include/chtime.h
4
+++ b/os/rt/include/chtime.h
5
@@ -472,11 +472,11 @@ static inline time_usecs_t chTimeI2US(sysinterval_t interval) {
6
 static inline systime_t chTimeAddX(systime_t systime,
7
                                    sysinterval_t interval) {
8
 
9
-#if CH_CFG_ST_RESOLUTION != CH_CFG_INTERVALS_SIZE
10
-  chDbgCheck(interval <= (sysinterval_t)((systime_t)-1));
11
+#if CH_CFG_ST_RESOLUTION < CH_CFG_INTERVALS_SIZE
12
+  return  systime + (systime_t)(interval % ((sysinterval_t)1 << CH_CFG_ST_RESOLUTION));
13
+#else
14
+  return systime + interval;
15
 #endif
16
-
17
-  return systime + (systime_t)interval;
18
 }
19
 
20
 /**