diff --git a/[refs] b/[refs]
index b614b166e733..2f67a2993af3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 212079cf4ee99e492a57b817e796825d423a30bb
+refs/heads/master: 4bf69b2a06090c01c27f25ea5cd1440f7bf9256f
diff --git a/trunk/fs/aio.c b/trunk/fs/aio.c
index 9f807a541fbe..40517f35daae 100644
--- a/trunk/fs/aio.c
+++ b/trunk/fs/aio.c
@@ -978,7 +978,8 @@ int fastcall aio_complete(struct kiocb *iocb, long res, long res2)
 
 	tail = info->tail;
 	event = aio_ring_event(info, tail, KM_IRQ0);
-	tail = (tail + 1) % info->nr;
+	if (++tail >= info->nr)
+		tail = 0;
 
 	event->obj = (u64)(unsigned long)iocb->ki_obj.user;
 	event->data = iocb->ki_user_data;