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-rw-r--r--os/hal/src/can.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/src/can.c b/os/hal/src/can.c
index 38a71873f..cfaa7264e 100644
--- a/os/hal/src/can.c
+++ b/os/hal/src/can.c
@@ -213,7 +213,7 @@ msg_t canReceive(CANDriver *canp,
systime_t timeout) {
osalDbgCheck((canp != NULL) && (crfp != NULL) &&
- (mailbox < (canmbx_t)CAN_RX_MAILBOXES));
+ (mailbox <= (canmbx_t)CAN_RX_MAILBOXES));
osalSysLock();
osalDbgAssert((canp->state == CAN_READY) || (canp->state == CAN_SLEEP),