e6d4c30517
- Fix NULL pointer dereferences caused when an ithread or a handler is NULL which happens when a stray interrupt triggers after the respective device interrupt was torn down. - Remove the critical section around INTR_FAST handlers which actually was a nested critical section. Both tl0_intr() and tl1_intr() already enter a critical section for calling intr_execute_handlers(). MFC after: 3 days