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-rw-r--r--os/rt/src/chsys.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/os/rt/src/chsys.c b/os/rt/src/chsys.c
index 44c4fc567..a9fd3aa53 100644
--- a/os/rt/src/chsys.c
+++ b/os/rt/src/chsys.c
@@ -188,7 +188,7 @@ void chSysTimerHandlerI(void) {
#if CH_CFG_TIME_QUANTUM > 0
/* Running thread has not used up quantum yet? */
- if (currp->p_preempt > 0U) {
+ if (currp->p_preempt > (tslices_t)0) {
/* Decrement remaining quantum.*/
currp->p_preempt--;
}