[PATCH rtems-libbsd 1/7] rtemsbsd: Catch timeout overflows

[chrisj at rtems.org]

From: Chris Johns <chrisj at rtems.org>

Update #4475
---
 rtemsbsd/rtems/rtems-kernel-timesupport.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/rtemsbsd/rtems/rtems-kernel-timesupport.c b/rtemsbsd/rtems/rtems-kernel-timesupport.c
index ef14d1fa..5d290d66 100644
--- a/rtemsbsd/rtems/rtems-kernel-timesupport.c
+++ b/rtemsbsd/rtems/rtems-kernel-timesupport.c
@@ -35,6 +35,7 @@
 
 #include <machine/rtems-bsd-kernel-space.h>
 
+#include <limits.h>
 #include <sys/time.h>
 
 #include <rtems/score/timespec.h>
@@ -46,9 +47,14 @@ int
 tvtohz(struct timeval *tv)
 {
   struct timespec ts;
+  uint32_t ticks;
 
   ts.tv_sec = tv->tv_sec;
   ts.tv_nsec = tv->tv_usec * 1000;
 
-  return (int) _Timespec_To_ticks( &ts );
+  ticks = _Timespec_To_ticks( &ts );
+  if (ticks > INT_MAX)
+    ticks = INT_MAX;
+
+  return ticks;
 }
-- 
2.24.1