f sub

Author: TheBlueMatt

lightning/src/ln/peer_handler.rs

@@ -2124,7 +2124,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 				}
 			}
 
-			if self.event_processing_state.fetch_add(-1, Ordering::AcqRel) != 1 {
+			if self.event_processing_state.fetch_sub(1, Ordering::AcqRel) != 1 {
 				// If another thread incremented the state while we were running we should go
 				// around again, but only once.
 				self.event_processing_state.store(1, Ordering::Release);