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-rw-r--r--os/hal/osal/rt/osal.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/os/hal/osal/rt/osal.h b/os/hal/osal/rt/osal.h
index 74044616a..ab648d720 100644
--- a/os/hal/osal/rt/osal.h
+++ b/os/hal/osal/rt/osal.h
@@ -839,8 +839,7 @@ static inline void osalMutexLock(mutex_t *mp) {
static inline void osalMutexUnlock(mutex_t *mp) {
#if CH_CFG_USE_MUTEXES
- (void)mp;
- chMtxUnlock();
+ chMtxUnlock(mp);
#elif CH_CFG_USE_SEMAPHORES
chSemSignal((semaphore_t *)mp);
#else